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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>JECP — Joint Execution & Commerce Protocol</title>
<meta name="description" content="x402-native agent commerce protocol with atomic on-chain 85/10/5 revenue split (~3s typical on Base). Provider keeps 85% on every invoke. No top-ups, no middlemen. Apache 2.0. Spec v1.0-stable.">
<meta name="keywords" content="agent commerce protocol, x402, USDC, Base, on-chain revenue split, B2A, monetize AI agent API, agent payment, JECP, MCP payment, LLM agent billing">
<!-- OGP -->
<meta property="og:title" content="JECP — Revenue, when your customer isn't human.">
<meta property="og:description" content="x402-native. Atomic on-chain 85/10/5 revenue split (~3s typical on Base). Provider keeps 85% on every invoke. No top-ups, no middlemen.">
<meta property="og:url" content="https://jecp.dev">
<meta property="og:type" content="website">
<meta property="og:site_name" content="JECP">
<!-- Twitter Card -->
<meta name="twitter:card" content="summary_large_image">
<meta name="twitter:title" content="JECP — Revenue, when your customer isn't human.">
<meta name="twitter:description" content="x402-native agent commerce protocol. Atomic on-chain 85/10/5 split (~3s typical). Apache 2.0. Spec v1.0-stable.">
<link rel="icon" type="image/svg+xml" href="data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 32 32'%3E%3Crect width='32' height='32' rx='6' fill='%230f172a'/%3E%3Cpath d='M8 12h16M8 16h12M8 20h8' stroke='%2306b6d4' stroke-width='2.5' stroke-linecap='round'/%3E%3C/svg%3E">
<link rel="preconnect" href="https://fonts.googleapis.com">
<link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap" rel="stylesheet">
<link rel="stylesheet" href="/styles.css">
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "SoftwareApplication",
"name": "JECP",
"alternateName": "Joint Execution & Commerce Protocol",
"description": "x402-native open protocol for agent-to-service commerce. Atomic on-chain 85/10/5 revenue split (~3s typical on Base) via Splitter contract on Base. Discovery, execution, and per-call settlement with pre-authorized budgets.",
"applicationCategory": "DeveloperApplication",
"operatingSystem": "Cross-platform",
"offers": {
"@type": "Offer",
"price": "0",
"priceCurrency": "USD",
"description": "Free tier: 100 calls per agent. Pay-per-call: $0.001 to $0.15."
},
"publisher": {
"@type": "Organization",
"name": "Tufe Company Inc.",
"url": "https://jobdonebot.com"
}
}
</script>
</head>
<body>
<header class="site-header">
<div class="container nav">
<a class="brand" href="/">
<svg class="logo" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
<rect width="32" height="32" rx="6" fill="#0f172a"/>
<path d="M8 12h16M8 16h12M8 20h8" stroke="#06b6d4" stroke-width="2.5" stroke-linecap="round"/>
</svg>
JECP
</a>
<nav class="nav-links">
<a href="#paths">Two paths</a>
<a href="#x402">x402</a>
<a href="#trust">Trust</a>
<a href="#beyond">Beyond payment</a>
<a href="#agent-wallet">Agent</a>
<a href="#provider">Provider</a>
<a href="#faq">FAQ</a>
<a href="https://github.com/jecpdev/jecp-spec">Spec</a>
<a href="https://github.com/jecpdev">GitHub</a>
</nav>
</div>
</header>
<!-- ─── 1. HERO ─── -->
<section class="hero">
<div class="container">
<span class="hero-eyebrow">
<span class="dot"></span>
x402-native · Spec v1.0-stable · Apache 2.0
</span>
<h1 class="hero-title">Revenue, <em>when your customer isn't human.</em></h1>
<p class="hero-sub">
The first agent-commerce protocol with <strong>atomic on-chain 85/10/5 revenue split (~3s typical on Base)</strong>.
x402-native. Provider keeps 85% on every invoke. No top-ups, no wait, no middlemen.
</p>
<div class="hero-cta">
<a class="btn btn-primary btn-lg" href="#paths">See both paths</a>
<a class="btn btn-secondary btn-lg" href="/guides/x402">See x402 in action</a>
<a class="btn btn-secondary btn-lg" href="https://github.com/jecpdev/jecp-spec">Read the spec</a>
</div>
<!-- 3-step x402 flow -->
<div class="x402-flow" aria-label="How an x402 invoke settles">
<div class="x402-step">
<div class="x402-step-num">1</div>
<div class="x402-step-body">
<strong>Agent calls</strong>
<span>POST /v1/invoke with capability + action.</span>
</div>
</div>
<div class="x402-arrow" aria-hidden="true">→</div>
<div class="x402-step">
<div class="x402-step-num">2</div>
<div class="x402-step-body">
<strong>402 + x402 challenge</strong>
<span>Hub returns price; SDK signs EIP-3009 USDC authorization.</span>
</div>
</div>
<div class="x402-arrow" aria-hidden="true">→</div>
<div class="x402-step">
<div class="x402-step-num">3</div>
<div class="x402-step-body">
<strong>Two-phase on-chain split (~3s)</strong>
<span>Facilitator pulls USDC into the immutable Splitter (T+0); Hub keeper records the 85/10/5 attribution (T+~3s, ≤2 blocks, p99 ≤30s).</span>
</div>
</div>
</div>
<div class="hero-install" style="margin:24px 0 8px;display:inline-flex;align-items:center;gap:12px;padding:10px 16px;background:#0f172a;color:#e2e8f0;border-radius:8px;font-family:'JetBrains Mono',monospace;font-size:14px">
<span style="color:#64748b;user-select:none">$</span>
<span>npm install <strong style="color:#06b6d4">@jecpdev/sdk</strong></span>
<a href="https://www.npmjs.com/package/@jecpdev/sdk" style="margin-left:8px;color:#94a3b8;font-size:12px;text-decoration:none">npm ↗</a>
</div>
<div style="font-size:13px;color:var(--slate-500);margin-bottom:24px">
Official TypeScript SDK · Apache 2.0 · works with Node, Bun, Cloudflare Workers, Next.js
</div>
<div class="hero-stats">
<div class="stat"><div class="stat-num">25</div><div class="stat-label">actions live</div></div>
<div class="stat"><div class="stat-num">85%</div><div class="stat-label">to providers</div></div>
<div class="stat"><div class="stat-num">47</div><div class="stat-label">countries</div></div>
<div class="stat"><div class="stat-num">5 min</div><div class="stat-label">to ship</div></div>
</div>
</div>
</section>
<!-- ─── 1.5 TWO PATHS ─── -->
<section class="section" id="paths">
<div class="container">
<span class="section-eyebrow">Two paths, one protocol</span>
<h2 class="section-title">Sell <em style="font-style:italic;color:var(--cyan-dark)">to</em> agents. Or build <em style="font-style:italic;color:var(--cyan-dark)">with</em> them.</h2>
<p class="hero-sub" style="margin-bottom:32px">
JECP serves two opposite intents through the same protocol —
mirror images of agent commerce.
</p>
<div class="problem-grid" style="grid-template-columns:1fr 1fr">
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>① Sell <em style="font-style:italic;color:var(--cyan-dark)">to</em> agents</h3>
<p style="font-size:15px;margin-bottom:8px"><strong>"Revenue, when your customer isn't human."</strong></p>
<p>You have a service. AI agents are already trying to call it — most without paying. Wrap it as a JECP capability and charge $0.001 to $0.15 per call. <strong>85% goes to you.</strong></p>
<p style="font-size:13px;color:var(--slate-500);margin-top:16px">Best for:</p>
<ul style="font-size:14px;color:var(--slate-700);margin:0;padding-left:20px;line-height:1.8">
<li>SaaS founders adding a B2A revenue lane</li>
<li>Indie hackers monetizing API tools</li>
<li>Agencies turning expertise into a billable capability</li>
</ul>
<a class="btn btn-secondary" href="#provider" style="margin-top:24px">→ Become a Provider (5 minutes)</a>
</div>
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>② Build <em style="font-style:italic;color:var(--cyan-dark)">with</em> agents</h3>
<p style="font-size:15px;margin-bottom:8px"><strong>"An autonomous agent with its own wallet."</strong></p>
<p>You're building an agent. Give it $20, give it a Mandate, let it work. It discovers capabilities across many providers, charges its own wallet, and operates autonomously under a budget you set.</p>
<p style="font-size:13px;color:var(--slate-500);margin-top:16px">Best for:</p>
<ul style="font-size:14px;color:var(--slate-700);margin:0;padding-left:20px;line-height:1.8">
<li>AI startups building autonomous super-agents</li>
<li>Researchers running agent experiments at scale</li>
<li>Teams orchestrating multi-vendor agent workflows</li>
</ul>
<a class="btn btn-secondary" href="#agent-wallet" style="margin-top:24px">→ Give your agent a wallet (3 minutes)</a>
</div>
</div>
<p class="cap-footnote" style="margin-top:32px;text-align:center">
Both sides use the same JECP protocol. Both sides settle through the same Hub.
<strong>Some teams do both.</strong>
</p>
</div>
</section>
<!-- ─── 1.7 x402 MOAT ─── -->
<section class="section" id="x402">
<div class="container">
<span class="section-eyebrow">x402-native · Spec v1.0-stable</span>
<h2 class="section-title">Three things only JECP does at the protocol layer.</h2>
<p class="hero-sub" style="margin-bottom:32px">
The 85/10/5 split is not a policy. It is a Solidity contract on Base.
Every paid invoke either splits on-chain (typically within ~3s on Base), or it doesn't settle at all. The invariant is binary — Provider, Hub, and Reserve all paid, or nothing settles.
</p>
<div class="problem-grid">
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>85% to the developer</h3>
<p>The immutable Splitter contract attributes 85% of every invoke to the Provider — Hub 10%, Network reserve 5%. The ratio is constructor-fixed in Solidity, not configured in a Stripe dashboard. Stripe Connect tops out around 88% gross only after T+2 bank settlement; JECP records the on-chain attribution typically within ~3 seconds (≤2 blocks, p99 ≤30s).</p>
<p style="font-size:13px;color:var(--slate-500);margin-top:14px">
→ <a href="https://github.com/jecpdev/jecp-spec/blob/main/spec/04-x402-integration.md" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">Spec §4</a> ·
<a href="https://github.com/jecpdev/jecp-contracts" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">jecp-contracts</a>
</p>
</div>
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>x402-native</h3>
<p>USDC on Base, EIP-3009 <code>transferWithAuthorization</code>, x402.org facilitator. The agent's wallet pre-funds in USDC once and pays per invoke — no Stripe Checkout, no human-in-the-loop top-ups, no recurring approvals. SDK <code>mode: 'auto'</code> attempts x402 from the first 402 if a Base signer is configured.</p>
<p style="font-size:13px;color:var(--slate-500);margin-top:14px">
→ <a href="/guides/x402" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">Quickstart</a> ·
<a href="https://www.npmjs.com/package/@jecpdev/sdk" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">@jecpdev/sdk v0.8.2+</a>
</p>
</div>
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>Two-phase settlement, no Hub custody</h3>
<p>Provider EIP-712-signs <code>register()</code> directly. The x402.org facilitator is trust-minimized — it only pulls USDC into the immutable Splitter (T+0). A hardened Hub keeper (AWS KMS-backed, the only AUTHORIZED_SETTLER) then records the 85/10/5 attribution on-chain (T+~3s, ≤2 blocks, p99 ≤30s). The split ratio is constructor-fixed; even a compromised keeper EOA cannot change it.</p>
<p style="font-size:13px;color:var(--slate-500);margin-top:14px">
→ <a href="https://github.com/jecpdev/jecp-spec/blob/main/spec/04-x402-integration.md" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">Spec §4</a> ·
<a href="https://github.com/jecpdev/jecp-contracts" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">JecpSplitter.sol</a>
</p>
</div>
</div>
<p class="cap-footnote" style="margin-top:32px">
Stripe wallet path stays operational and unchanged. x402 is opt-in, additive, and backward compatible.
</p>
</div>
</section>
<!-- ─── 1.8 TRUST MODEL ─── -->
<section class="section section-light" id="trust">
<div class="container">
<span class="section-eyebrow">Trust model · v1.1.0-rc3</span>
<h2 class="section-title">How JECP settlement is safe.</h2>
<p class="hero-sub" style="margin-bottom:32px">
Three layers, separated by design. The split ratio cannot be changed by any
party — including Tufe. Even a full key compromise has a bounded blast radius.
</p>
<div class="problem-grid">
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>1. Splitter contract (immutable, audited)</h3>
<p>Controls the 85/10/5 split ratio. Cannot be upgraded or paused.
The Provider 85% claim is constructor-fixed. Splitter v1 is intentionally
immutable per design SC-A14 — there is no <code>pause()</code> function and
no admin path to rewrite shares.</p>
</div>
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>2. x402.org facilitator (trust-minimized)</h3>
<p>Only authorized to pull USDC from agent wallets into the Splitter contract.
Cannot call <code>recordSettlement</code> or any other Splitter method.
The facilitator is a USDC puller, not a settlement actor.</p>
</div>
<div class="problem-card" style="border-left:3px solid var(--cyan)">
<h3>3. Hub keeper (Tufe-operated, AWS KMS-backed)</h3>
<p>The single <code>AUTHORIZED_SETTLER</code> on the Splitter contract. Calls
<code>recordSettlement</code> to attribute each pull to a Provider. The keeper
key lives in AWS KMS — never exposed to the Hub process, never on disk in
plaintext. If compromised, the attacker is bounded by <code>PER_TX_CAP</code>
and cannot change the split ratio.</p>
</div>
</div>
<p class="cap-footnote" style="margin-top:24px">
Verify on BaseScan: read the Splitter contract, confirm the constructor-set
<code>AUTHORIZED_SETTLER</code> address, and check that the x402.org facilitator EOAs
(Coinbase x402 Facilitator 1-8, Canza, Daydreams, X402rs) do NOT have settlement
authority. <a href="https://github.com/jecpdev/jecp-contracts" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">jecp-contracts</a>
</p>
</div>
</section>
<!-- ─── 1.9 FAQ ─── -->
<section class="section" id="faq">
<div class="container">
<span class="section-eyebrow">FAQ</span>
<h2 class="section-title">Settlement, in plain terms.</h2>
<div class="problem-grid">
<div class="problem-card">
<h3>Why two phases? Isn't x402 single-block?</h3>
<p>The earlier (pre-v1.1.0-rc3) framing said "single-block atomic." That
described the ideal case for an x402 facilitator that could record
settlements on-chain directly. In practice the x402.org facilitator is
specifically designed NOT to do that — its job is to execute the USDC
pull, and nothing more.</p>
<p>We agree with that design (it's better for trust minimization), so we
moved the settlement recording into a hardened Hub keeper service. The
atomicity guarantee is now: the split ratio is constructor-fixed in an
immutable contract; the keeper either records the split correctly or the
call reverts. End-state correctness is unchanged. Wall-clock latency is
~3 seconds typical, ≤30 seconds at p99 worst-case.</p>
<p style="font-size:13px;color:var(--slate-500);margin-top:12px">
→ <a href="https://github.com/jecpdev/jecp-spec/blob/main/spec/adr/0003-x402-integration.md" style="color:var(--cyan-dark);font-family:'JetBrains Mono',monospace">ADR-0003 Am-7</a>
</p>
</div>
<div class="problem-card">
<h3>What if the Hub keeper key is compromised?</h3>
<p>Bounded blast radius:</p>
<ul style="margin:8px 0 0 18px;padding:0;font-size:14.5px;line-height:1.7;color:var(--slate-700)">
<li>The Splitter contract is immutable. Split ratio (85/10/5) cannot be changed by any party.</li>
<li><code>PER_TX_CAP</code> limits the maximum amount any single <code>recordSettlement</code> call can move.</li>
<li>The keeper key lives in AWS KMS — never exposed to the Hub process, never logged, never on disk in plaintext.</li>
<li>IAM policy is least-privilege: only the Hub keeper Fly machine identity can call <code>kms:Sign</code> on the keeper key.</li>
<li>Rotation via Splitter v2 redeploy + provider remigration is the documented emergency path.</li>
</ul>
<p style="margin-top:12px">A keeper key compromise is a serious incident, not a catastrophic one. Splitter immutability means an attacker cannot rewrite the protocol.</p>
</div>
</div>
</div>
</section>
<!-- ─── 2. THE INVERSION ─── -->
<section class="section section-light" id="why">
<div class="container">
<span class="section-eyebrow">The inversion</span>
<h2 class="section-title">Your business model assumes humans buy.</h2>
<div class="problem-grid">
<div class="problem-card">
<h3>For 30 years</h3>
<p>Every revenue model on the internet was built for humans: forms, OAuth flows, checkout pages, monthly subscriptions.</p>
</div>
<div class="problem-card">
<h3>Then agents arrived</h3>
<p>They have intent. They have wallets. They cannot fill out checkout forms. Today, every API call from an agent is either unpaid (you eat the cost) or hardcoded to one provider (you skip discovery).</p>
</div>
<div class="problem-card">
<h3>JECP closes that gap</h3>
<p>The first open protocol that treats agents as economic actors. Discovery, capability execution, and per-call settlement — all in one envelope.</p>
</div>
</div>
</div>
</section>
<!-- ─── 2.5 BEYOND PAYMENT ─── -->
<section class="section" id="beyond">
<div class="container">
<span class="section-eyebrow">More than a payment rail</span>
<h2 class="section-title">Give your agent economic identity.</h2>
<p class="hero-sub" style="margin-bottom:32px">
Until now, agents borrowed your API key. With JECP, an agent has its own wallet,
its own budget, its own trust history. Payment is one layer. Identity, safety,
orchestration, and portability are the others.
</p>
<div class="problem-grid">
<div class="problem-card">
<h3>Wallets — Agents hold their own balance</h3>
<p>Each agent has a USDC wallet, separate from any human's card.
Top up $5, $20, or $100 via Stripe Checkout. Balance never expires.
Charge atomically per call. The agent is the economic actor — not its operator.</p>
<pre style="background:#fff;border:1px solid var(--slate-200);border-radius:6px;padding:12px;font-size:12px;margin-top:12px;overflow-x:auto"><code># Agent has wallet, like a Stripe customer
POST /v1/agents/topup
{ "amount": 20 }
→ Stripe Checkout URL → balance += $20
# Every call atomically debits agent's wallet
balance_after = balance_before - cost</code></pre>
</div>
<div class="problem-card">
<h3>Mandate — Cap your agent's spend</h3>
<p>Pre-authorize a budget before invocation. Auto-stop on overrun. The first protocol-level safeguard against runaway agents that drain wallets. <strong>Spec §4.</strong></p>
<pre style="background:#fff;border:1px solid var(--slate-200);border-radius:6px;padding:12px;font-size:12px;margin-top:12px;overflow-x:auto"><code>"mandate": {
"agent_id": "...",
"budget_usdc": 5.00,
"expires_at": "2026-06-01T00:00:00Z"
}</code></pre>
</div>
<div class="problem-card">
<h3>Trust Gate — Tier capabilities by trust</h3>
<p>Bronze agents do basic translations. Platinum agents do file uploads, transactions, sensitive ops. Trust is earned by verifiable history, not flags. <strong>Spec §5.</strong></p>
<pre style="background:#fff;border:1px solid var(--slate-200);border-radius:6px;padding:12px;font-size:12px;margin-top:12px;overflow-x:auto"><code># manifest action
trust_tier_required: silver
# Bronze agents get 403
# Silver+ proceed</code></pre>
</div>
<div class="problem-card">
<h3>Multi-step workflows — One call, atomic commit</h3>
<p>"Generate invoice, then email it" runs as one transaction with a single envelope, full audit trail, and idempotency on retry. No glue code, no orchestration layer.</p>
<pre style="background:#fff;border:1px solid var(--slate-200);border-radius:6px;padding:12px;font-size:12px;margin-top:12px;overflow-x:auto"><code>"capability":"jobdonebot/workflow",
"action":"invoice-and-notify"
# = generate-invoice + email-send
# under one mandate, one charge</code></pre>
</div>
<div class="problem-card">
<h3>Multi-vendor — Switch providers without rewrite</h3>
<p>DeepL today, your in-house model tomorrow, OpenAI on weekends — same JSON envelope, same contract. Agents discover via manifest. No vendor lock-in by design.</p>
<pre style="background:#fff;border:1px solid var(--slate-200);border-radius:6px;padding:12px;font-size:12px;margin-top:12px;overflow-x:auto"><code>"capability":"deepl/translate"
# swap to:
"capability":"yourco/translate"
# Identical protocol contract.</code></pre>
</div>
<div class="problem-card">
<h3>Binary artifacts — Files, not just JSON</h3>
<p>PDFs, images, audio, datasets — return them as first-class artifacts with content-type, size, and signed URLs. Agents handle them like any tool output.</p>
</div>
<div class="problem-card">
<h3>next_action — Machine-readable recovery</h3>
<p>When something fails, errors include a structured <code>next_action</code> field telling the agent exactly what to do: retry, top up, request mandate, or escalate. No string-matching error codes.</p>
</div>
</div>
<p class="cap-footnote" style="margin-top:32px;text-align:center;font-style:italic">
JECP is to agents what HTTP was to browsers — a single envelope, multiple concerns, no vendor lock-in.
</p>
</div>
</section>
<!-- ─── 3. HOW JECP WORKS ─── -->
<section class="section section-light" id="how">
<div class="container">
<span class="section-eyebrow">How it works</span>
<h2 class="section-title">Three roles, one protocol.</h2>
<div class="steps">
<div class="step">
<div class="step-num">A</div>
<h3>Agent Developer</h3>
<p>Give your agent its own wallet. Discover capabilities, invoke any provider, pay per call. No subscription, no OAuth dance.</p>
<pre><code># Invoke any active capability
curl -X POST https://jecp.dev/v1/invoke \
-H "X-Agent-ID: $AID" \
-H "X-API-Key: $KEY" \
-d '{"jecp":"1.0","id":"r1",
"capability":"deepl/translate",
"action":"translate",
"input":{"text":"Hello","target_lang":"JA"}}'</code></pre>
</div>
<div class="step">
<div class="step-num">B</div>
<h3>Service Provider</h3>
<p>List your capabilities. Receive 85% of every successful call. Payouts in 47 countries.</p>
<pre><code># Register, then publish a manifest
curl -X POST https://jecp.dev/v1/providers/register \
-d '{"namespace":"yourco",
"country":"US",
"owner_email":"...",
"endpoint_url":"https://yourco.com/jecp"}'
# DNS verify, Stripe Connect, publish manifest
# 5 min total. See "Become a Provider" below.</code></pre>
</div>
<div class="step">
<div class="step-num">C</div>
<h3>Spec Contributor</h3>
<p>The protocol is Apache 2.0, RFC 2119 compliant, JSON Schema 2020-12. Read, fork, propose.</p>
<pre><code># Read or fork the spec
git clone https://github.com/jecpdev/jecp-spec
cd jecp-spec/spec
# Spec sections:
# 00-overview 04-manifest
# 01-protocol 05-discovery
# 02-authentication
# 03-errors</code></pre>
</div>
</div>
</div>
</section>
<!-- ─── 4. THE TWO WORLDS ─── -->
<section class="section section-light">
<div class="container">
<span class="section-eyebrow">The economic inversion</span>
<h2 class="section-title">Two worlds, one protocol layer.</h2>
<div class="comparison">
<table>
<thead>
<tr>
<th></th>
<th>Old world (human commerce)</th>
<th>New world (agent commerce)</th>
</tr>
</thead>
<tbody>
<tr><td>Customer</td><td>Human user</td><td>AI agent (24/7, scales infinitely)</td></tr>
<tr><td>Discovery</td><td>SEO, ads, content</td><td>manifest discovery + capability resolve</td></tr>
<tr><td>Authentication</td><td>OAuth, sessions</td><td>API key + wallet</td></tr>
<tr><td>Settlement</td><td>Card / subscription</td><td>Per-call wallet deduct</td></tr>
<tr><td>Cost of acquisition</td><td>High (CAC ~ $50-500)</td><td class="hl">Near zero (CAC ≈ $0)</td></tr>
<tr><td>LTV ceiling</td><td>Bounded by human churn</td><td class="hl">Bounded by agent count × calls</td></tr>
<tr><td>Scaling</td><td>Linear</td><td class="hl">Non-linear, per-API</td></tr>
</tbody>
</table>
</div>
<p class="cap-footnote">Most providers have no system for the right column. JECP is that system.</p>
</div>
</section>
<!-- ─── 5. WHY JECP WINS ─── -->
<section class="section">
<div class="container">
<span class="section-eyebrow">Why JECP</span>
<h2 class="section-title">What other tools do, and what only JECP does.</h2>
<div class="comparison">
<table>
<thead>
<tr>
<th>Capability</th>
<th>MCP</th>
<th>LangChain</th>
<th>Stripe Connect</th>
<th>OpenAI Agents</th>
<th class="hl">JECP</th>
</tr>
</thead>
<tbody>
<tr><td>Tool discovery</td><td>✓</td><td>✓</td><td>—</td><td>✓</td><td class="hl">✓</td></tr>
<tr><td>Binary artifacts</td><td>△</td><td>△</td><td>—</td><td>△</td><td class="hl">✓</td></tr>
<tr><td>Multi-step workflow</td><td>—</td><td>✓</td><td>—</td><td>✓</td><td class="hl">✓</td></tr>
<tr><td>Pre-auth budgets (Mandate)</td><td>—</td><td>—</td><td>△</td><td>—</td><td class="hl">✓</td></tr>
<tr><td>Tiered trust (Trust Gate)</td><td>—</td><td>—</td><td>✓</td><td>—</td><td class="hl">✓</td></tr>
<tr><td>Per-call billing</td><td>—</td><td>—</td><td>—</td><td>—</td><td class="hl">✓</td></tr>
<tr><td>On-chain revenue split</td><td>—</td><td>—</td><td>— (T+2 off-chain)</td><td>—</td><td class="hl">✓ immutable 85/10/5 (Hub keeper-recorded, ~3s)</td></tr>
<tr><td>x402-native (USDC/Base)</td><td>—</td><td>—</td><td>—</td><td>—</td><td class="hl">✓</td></tr>
<tr><td>Multi-vendor by design</td><td>✓</td><td>—</td><td>✓</td><td>—</td><td class="hl">✓</td></tr>
<tr><td>Open spec (RFC 2119)</td><td>✓</td><td>—</td><td>—</td><td>—</td><td class="hl">✓</td></tr>
</tbody>
</table>
</div>
<p class="cap-footnote" style="margin-top:24px">
<strong>Mandate</strong> — pre-authorized budget caps, auto-stop on overrun (Spec §4) ·
<strong>Trust Gate</strong> — Bronze→Silver→Gold→Platinum, per-action gates (Spec §5) ·
<strong>Per-call billing</strong> — atomic deduct + 85/10/5 split, no subscription required.
</p>
</div>
</section>
<!-- ─── 6. REFERENCE IMPLEMENTATION ─── -->
<section class="section section-light" id="case">
<div class="container">
<span class="section-eyebrow">Reference implementation</span>
<h2 class="section-title">How JobDoneBot uses JECP.</h2>
<p class="hero-sub" style="margin-bottom:32px">
JobDoneBot is a SaaS by Tufe Company — the same author of the protocol —
with 25 actions across 6 capabilities. Every call from every agent flows
through the same code path any third-party would use.
</p>
<div class="cap-grid">
<div class="cap-card">
<h3>document-pipeline</h3>
<div class="cap-price">$0.003 – $0.02</div>
<p>Generate professional PDFs: invoices, quotes, receipts, contracts, reports.</p>
<div class="cap-actions">5 actions</div>
</div>
<div class="cap-card">
<h3>file-chain</h3>
<div class="cap-price">$0.005 – $0.01</div>
<p>Image processing, PDF merge/split/compress, batch conversion across formats.</p>
<div class="cap-actions">3 actions</div>
</div>
<div class="cap-card">
<h3>content-factory</h3>
<div class="cap-price">$0.003 – $0.02</div>
<p>Generate blogs, SNS posts, translations, summaries, rewrites via Claude.</p>
<div class="cap-actions">5 actions</div>
</div>
<div class="cap-card">
<h3>data-insight</h3>
<div class="cap-price">$0.005 – $0.02</div>
<p>Analyze CSV / JSON, generate time-series forecasts with confidence intervals.</p>
<div class="cap-actions">3 actions</div>
</div>
<div class="cap-card">
<h3>workflow</h3>
<div class="cap-price">$0.01 – $0.05</div>
<p>Multi-step chains: invoice→email, content→SNS, analysis→report→mail.</p>
<div class="cap-actions">3 actions</div>
</div>
<div class="cap-card">
<h3>sns-engine</h3>
<div class="cap-price">$0.02 – $0.15</div>
<p>Automate X / TikTok / Instagram. A/B test, autopilot, engagement analytics.</p>
<div class="cap-actions">6 actions</div>
</div>
</div>
<div class="quickstart" style="margin-top:40px">
<div class="quickstart-title">Money flow on every call</div>
<pre>Agent ─────► JECP Hub ─────► JobDoneBot Provider
│
├─ deduct wallet ($0.005)
├─ split revenue
│ ├─ Provider $0.00425 (85%)
│ ├─ Hub fee $0.00050 (10%)
│ └─ Payment fee $0.00025 (5%)
└─ Stripe transfer to Provider (automated payouts: Q3 2026)</pre>
</div>
<p class="cap-footnote">
Tufe Company earns 85% as a Provider plus 10% as the Hub operator.
This is dogfeeding by the protocol author — the same path is open to you.
</p>
<p class="cap-footnote">
<a href="https://jecp.dev/v1/capabilities">→ See live catalog</a>
</p>
</div>
</section>
<!-- ─── 6.5 GIVE YOUR AGENT A WALLET ─── -->
<section class="section" id="agent-wallet">
<div class="container">
<span class="section-eyebrow">For agent developers</span>
<h2 class="section-title">Give your agent a wallet in 3 steps.</h2>
<div class="steps">
<div class="step">
<div class="step-num">1</div>
<h3>Register the agent</h3>
<pre><code>POST https://jecp.dev/api/agents/register
{
"name": "MyResearchAgent",
"agent_type": "research",
"description": "Reads docs and writes summaries"
}
← {
"agent_id": "jdb_ag_a1b2c3...",
"api_key": "jdb_ak_xxxxxxxxxxxx",
"free_calls_remaining": 100
}</code></pre>
<p>One call. agent_id + api_key are yours forever. 100 free calls included.</p>
</div>
<div class="step">
<div class="step-num">2</div>
<h3>Top up the wallet</h3>
<pre><code>POST https://jecp.dev/api/agents/topup
X-Agent-ID: jdb_ag_a1b2c3...
X-API-Key: jdb_ak_xxxxxxxxxxxx
{ "amount": 20 } # one of: 5, 20, 100
← { "url": "https://checkout.stripe.com/..." }
# Open URL → pay via Stripe → wallet credited.</code></pre>
<p>Stripe Checkout (one-time). Balance never expires. Webhook credits the wallet on payment success.</p>
</div>
<div class="step">
<div class="step-num">3</div>
<h3>Invoke — wallet auto-debits</h3>
<pre><code>POST https://jecp.dev/v1/invoke
X-Agent-ID: jdb_ag_a1b2c3...
X-API-Key: jdb_ak_xxxxxxxxxxxx
{
"jecp": "1.0",
"id": "req-001",
"capability": "deepl/translate",
"action": "translate",
"input": {"text":"Hello","target_lang":"JA"},
"mandate": { # optional safety
"agent_id": "jdb_ag_a1b2c3...",
"api_key": "jdb_ak_xxxxxxxxxxxx",
"budget_usdc": 1.00,
"expires_at": "2026-06-01T00:00:00Z"
}
}
← { "status":"success",
"billing": { "charged":true, "balance_after": 19.995 } }</code></pre>
<p>Per-call atomic debit. Wrap with mandate to cap total spend across calls.</p>
</div>
</div>
<p class="cap-footnote" style="margin-top:24px">
That's it. Your agent now has its own wallet, its own API key, and operates autonomously
under a budget you control. <strong>No human-card OAuth dance, no per-call credit-card-on-file.</strong>
</p>
<div class="quickstart" style="margin-top:40px;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:24px 28px">
<div class="quickstart-title" style="color:#06b6d4;font-weight:700;margin-bottom:12px">TypeScript? Skip the curl. Use the SDK.</div>
<pre style="margin:0;background:transparent;color:#e2e8f0;font-family:'JetBrains Mono',monospace;font-size:13.5px;line-height:1.6;overflow-x:auto"><code>npm install @jecpdev/sdk
import { JecpClient } from '@jecpdev/sdk';
const jecp = new JecpClient({ agentId, apiKey });
const { output, billing, wallet_balance_after } = await jecp.invoke(
'jobdonebot/content-factory', 'translate',
{ text: 'Hello', target_lang: 'JA' },
{ mandate: { budget_usdc: 1.00 } }
);</code></pre>
<div style="margin-top:14px;font-size:13px;color:#94a3b8">
Apache 2.0 · Node ≥18 · Bun · Cloudflare Workers · Next.js · 9 typed errors with <code style="background:#1e293b;padding:1px 5px;border-radius:3px">next_action</code> auto-recovery ·
<a href="https://www.npmjs.com/package/@jecpdev/sdk" style="color:#06b6d4;text-decoration:none">npm</a> ·
<a href="https://github.com/jecpdev/jecp-sdk-typescript" style="color:#06b6d4;text-decoration:none">GitHub</a>
</div>
</div>
</div>
</section>
<!-- ─── 7. BECOME A PROVIDER ─── -->
<section class="section section-light" id="provider">
<div class="container">
<span class="section-eyebrow">For service providers</span>
<h2 class="section-title">Ship to agents in 5 minutes.</h2>
<div class="steps">
<div class="step">
<div class="step-num">1</div>
<h3>Register</h3>
<pre><code>POST /v1/providers/register
{
"namespace": "yourco",
"display_name": "Your Co",
"country": "US",
"owner_email": "founder@yourco.com",
"endpoint_url": "https://yourco.com/jecp"
}</code></pre>
<p>Receive provider_api_key + hmac_secret (shown once).</p>
</div>
<div class="step">
<div class="step-num">2</div>
<h3>DNS verify</h3>
<pre><code>TXT _jecp.yourco.com
"jecp-verify=<token>"
POST /v1/providers/verify-dns
Authorization: Bearer jdb_pk_...
{ "domain": "yourco.com" }</code></pre>
<p>Proves you own the endpoint domain.</p>
</div>
<div class="step">
<div class="step-num">3</div>
<h3>Stripe Connect</h3>
<pre><code>POST /v1/providers/connect-stripe
Authorization: Bearer jdb_pk_...
→ onboarding_url</code></pre>
<p>5-minute onboarding via Stripe Express. 47 countries supported.</p>
</div>
<div class="step">
<div class="step-num">4</div>
<h3>Publish manifest</h3>
<pre><code>POST /v1/manifests
Authorization: Bearer jdb_pk_...
Content-Type: application/x-yaml
namespace: yourco
capability: translate
version: 1.0.0
endpoint: https://yourco.com/jecp
actions: [...]</code></pre>
<p>Active immediately if DNS + Stripe verified.</p>
</div>
<div class="step">
<div class="step-num">5</div>
<h3>Earn</h3>
<pre>Agent invokes ──► you receive 85%
──► hub keeps 10%
──► payment 5%
Revenue allocated atomically per call.
Stripe Transfer (automated payouts: Q3 2026).</pre>
<p>Same path JobDoneBot uses. Same SLA, same auth, same revenue split.</p>
</div>
</div>
<div class="quickstart" style="margin-top:40px;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:24px 28px">
<div class="quickstart-title" style="color:#06b6d4;font-weight:700;margin-bottom:12px">Provider endpoint, in 12 lines (TypeScript)</div>
<pre style="margin:0;background:transparent;color:#e2e8f0;font-family:'JetBrains Mono',monospace;font-size:13.5px;line-height:1.6;overflow-x:auto"><code>import { JecpProvider } from '@jecpdev/sdk';
const provider = new JecpProvider({
hmacSecret: process.env.JECP_HMAC_SECRET!,
});
// Works on Bun, Cloudflare Workers, Next.js Route Handlers...
export const POST = provider.createHandler(async (req) => {
if (req.action === 'translate') {
return { translated: await myTranslate(req.input) };
}
throw new Error(`unknown action: ${req.action}`);
});</code></pre>
<div style="margin-top:14px;font-size:13px;color:#94a3b8">
HMAC verification + ±5 min replay window built-in. Apache 2.0.
<a href="https://www.npmjs.com/package/@jecpdev/sdk" style="color:#06b6d4;text-decoration:none">npm</a> ·
<a href="https://github.com/jecpdev/jecp-sdk-typescript" style="color:#06b6d4;text-decoration:none">GitHub</a>
</div>
</div>
</div>
</section>
<!-- ─── 8. PRICING ─── -->
<section class="section section-light">
<div class="container">
<span class="section-eyebrow">Pricing for agents</span>
<h2 class="section-title">Pay only for what you use.</h2>
<div class="cap-grid" style="grid-template-columns:repeat(auto-fit,minmax(220px,1fr))">
<div class="cap-card">
<h3>Free</h3>
<div class="cap-price">$0</div>
<p>100 calls per registered agent. Try every capability. No credit card required.</p>
</div>
<div class="cap-card">
<h3>Top up $5</h3>
<div class="cap-price">$5</div>
<p>~1,000 calls @ $0.005. One-time payment. Balance never expires.</p>
</div>
<div class="cap-card" style="border:2px solid var(--slate-900)">
<h3>Top up $20 <span style="font-size:11px;background:var(--slate-900);color:#fff;padding:3px 8px;border-radius:6px;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;margin-left:6px">Recommended</span></h3>
<div class="cap-price">$20</div>
<p>~4,000 calls. Stripe one-time payment. No subscription.</p>
</div>
<div class="cap-card">
<h3>Top up $100</h3>
<div class="cap-price">$100</div>
<p>~20,000 calls. Best for high-volume agents. Same per-call pricing.</p>
</div>
</div>
<p class="cap-footnote">No subscription. Pay-per-call. Balance never expires.</p>
<div class="quickstart" style="margin-top:48px;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:28px">
<div class="quickstart-title" style="color:#06b6d4;font-weight:700;margin-bottom:12px">x402 mode — pay direct from a Base USDC wallet</div>
<p style="margin:0 0 16px;color:#cbd5e1;font-size:14.5px;line-height:1.6">
Skip Stripe top-ups entirely. Fund a Base wallet with USDC, point the SDK at it, and every invoke settles on-chain. Roughly <strong style="color:#06b6d4">~1% in network gas</strong> instead of the 5.9% Stripe markup on small top-ups. Provider still keeps 85% — recorded by the Hub keeper into an immutable Splitter, typically within ~3 seconds.
</p>
<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;font-size:13px">
<div>
<div style="color:#06b6d4;font-weight:600;margin-bottom:4px;font-family:'JetBrains Mono',monospace">~1%</div>
<div style="color:#94a3b8">on-chain gas, no payment markup</div>
</div>
<div>
<div style="color:#06b6d4;font-weight:600;margin-bottom:4px;font-family:'JetBrains Mono',monospace">maxPerCallUsdc</div>
<div style="color:#94a3b8">SDK refuses to sign over your cap (v0.8.2+)</div>
</div>
<div>
<div style="color:#06b6d4;font-weight:600;margin-bottom:4px;font-family:'JetBrains Mono',monospace">maxPerHourUsdc</div>
<div style="color:#94a3b8">rolling-hour spend cap before signing</div>
</div>
<div>
<div style="color:#06b6d4;font-weight:600;margin-bottom:4px;font-family:'JetBrains Mono',monospace">~3s typical</div>
<div style="color:#94a3b8">85/10/5 recorded by Hub keeper (≤2 blocks, p99 ≤30s)</div>
</div>
</div>
<div style="margin-top:18px">
<a href="/guides/x402" style="color:#06b6d4;text-decoration:none;font-size:14px;font-family:'JetBrains Mono',monospace">→ /guides/x402 (4-command quickstart)</a>
</div>
</div>
</div>
</section>
<!-- ─── 9. SPEC & STANDARDS TRACK ─── -->
<section class="section" id="spec">
<div class="container">
<span class="section-eyebrow">Spec-grade by design</span>
<h2 class="section-title">Built to outlast any single vendor.</h2>
<div class="problem-grid">
<div class="problem-card">
<h3>Standards</h3>
<p>Apache 2.0 license · RFC 2119 keywords · JSON Schema 2020-12 · spec v1.1.0-rc3 (rc3 supersedes rc2).</p>
</div>
<div class="problem-card">
<h3>Reference impl</h3>
<p>Rust + Axum + SQLx + Tokio. Open source. Production since May 2026.</p>
</div>
<div class="problem-card">
<h3>Settlement</h3>
<p>Stripe Connect Express across 47 countries. HMAC-SHA256 with replay window. Idempotent per (agent_id, request_id) for 24h.</p>
</div>
</div>
<div class="quickstart" style="margin-top:40px">
<div class="quickstart-title">Standards track (planned)</div>
<pre>Q3 2026 IETF Internet-Draft draft-jecp-agent-commerce-00
Q4 2026 arXiv preprint
Q1 2027 BoF session at IETF 122
Backed by 100% open spec. No vendor lock-in by design.</pre>
</div>
<div class="hero-cta" style="margin-top:40px">
<a class="btn btn-primary" href="https://github.com/jecpdev/jecp-spec">Read the spec</a>
<a class="btn btn-secondary" href="https://github.com/jecpdev/jecp-server">Reference impl</a>
<a class="btn btn-ghost" href="https://github.com/jecpdev/jecp-spec/discussions">Contribute</a>
</div>
</div>
</section>
<!-- ─── 10. FOOTER ─── -->
<footer class="site-footer-min">
<div class="container">
<div style="display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:32px;padding:48px 0 32px">
<div>
<div style="font-weight:800;font-size:18px;margin-bottom:12px">JECP</div>
<p style="font-size:13px;color:var(--slate-500);line-height:1.6">
Joint Execution & Commerce Protocol.<br>
The open protocol for agent-to-service commerce.
</p>
</div>
<div>
<h4 style="font-size:13px;text-transform:uppercase;letter-spacing:0.08em;color:var(--slate-500);margin:0 0 12px">Resources</h4>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev/jecp-spec">Spec</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev/jecp-server">Reference impl</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev/jecp-contracts">Splitter contract</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="/guides/x402">x402 quickstart</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://jecp.dev/.well-known/agent-guide.json">Agent Guide (JSON)</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://jecp.dev/llms.txt">llms.txt</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://jecp.dev/v1/capabilities">Live catalog</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://jecp.dev/health">Status</a>
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<h4 style="font-size:13px;text-transform:uppercase;letter-spacing:0.08em;color:var(--slate-500);margin:0 0 12px">Community</h4>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev">GitHub Org</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev/jecp-spec/discussions">Discussions</a>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="mailto:hello@jecp.dev">hello@jecp.dev</a>
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<div>
<h4 style="font-size:13px;text-transform:uppercase;letter-spacing:0.08em;color:var(--slate-500);margin:0 0 12px">Standards</h4>
<p style="font-size:13px;color:var(--slate-700);margin:0 0 6px">Apache 2.0</p>
<p style="font-size:13px;color:var(--slate-700);margin:0 0 6px">RFC 2119</p>
<p style="font-size:13px;color:var(--slate-700);margin:0 0 6px">JSON Schema 2020-12</p>
<p style="font-size:13px;color:var(--slate-700);margin:0 0 6px">IETF (planned Q3 2026)</p>
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<h4 style="font-size:13px;text-transform:uppercase;letter-spacing:0.08em;color:var(--slate-500);margin:0 0 12px">Legal</h4>
<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="/terms">Terms of Service</a>
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<a style="display:block;margin-bottom:8px;text-decoration:none;color:var(--slate-700);font-size:14px" href="https://github.com/jecpdev/jecp-spec/blob/main/LICENSE">License (Apache 2.0)</a>
</div>
</div>
<div style="border-top:1px solid var(--slate-200);padding:24px 0;font-size:12px;color:var(--slate-500);line-height:1.7">
<p style="margin:0 0 8px">
Originally coined as "JobDoneBot Execution Capability Protocol" (May 2026).
Renamed to "Joint Execution & Commerce Protocol" upon transition to a multi-vendor standard track.
</p>
<p style="margin:0">
Apache License 2.0 · Maintained by Tufe Company Inc. · <a href="https://github.com/jecpdev/jecp-server" style="color:var(--slate-700)">jecpdev/jecp-server</a>
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