diff --git a/README.md b/README.md
index ffd66a4..cdde5dd 100644
--- a/README.md
+++ b/README.md
@@ -25,66 +25,151 @@ Examples below leverage the SimpleFIN Bridge Demo Access URL of `https://demo:de
 
 #### Get accounts
 
-    ❯ simplefin accounts
-                            SimpleFIN Accounts
-    ┏━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
-    ┃ Institution    ┃ Account            ┃ Balance   ┃ Account ID    ┃
-    ┡━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
-    │ SimpleFIN Demo │ SimpleFIN Savings  │ 114125.50 │ Demo Savings  │
-    │ SimpleFIN Demo │ SimpleFIN Checking │ 24302.22  │ Demo Checking │
-    └────────────────┴────────────────────┴───────────┴───────────────┘
+`simplefin accounts [--format FORMAT]`
+
+<!-- [[[cog
+import cog
+from simplefin import cli
+from click.testing import CliRunner
+runner = CliRunner()
+result = runner.invoke(cli, ["accounts"])
+cog.out(
+    "```\n❯ simplefin accounts\n{}```".format(result.output)
+)
+]]] -->
+```
+❯ simplefin accounts
+                        SimpleFIN Accounts                         
+┏━━━━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━━━┳━━━━━━━━━━━━━━━┓
+┃ Institution    ┃ Account            ┃ Balance   ┃ Account ID    ┃
+┡━━━━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━━━╇━━━━━━━━━━━━━━━┩
+│ SimpleFIN Demo │ SimpleFIN Savings  │ 115525.50 │ Demo Savings  │
+│ SimpleFIN Demo │ SimpleFIN Checking │ 26134.42  │ Demo Checking │
+└────────────────┴────────────────────┴───────────┴───────────────┘
+```
+<!-- [[[end]]] -->
+
+##### JSON output
+
+<!-- [[[cog
+import cog
+from simplefin import cli
+from click.testing import CliRunner
+runner = CliRunner()
+result = runner.invoke(cli, ["accounts", "--format", "json"])
+cog.out(
+    "```\n❯ simplefin accounts --format json\n{}```".format(result.output)
+)
+]]] -->
+```
+❯ simplefin accounts --format json
+[
+    {
+        "org": {
+            "domain": "beta-bridge.simplefin.org",
+            "sfin-url": "https://beta-bridge.simplefin.org/simplefin",
+            "name": "SimpleFIN Demo",
+            "url": "https://beta-bridge.simplefin.org",
+            "id": "simplefin.demoorg"
+        },
+        "id": "Demo Savings",
+        "name": "SimpleFIN Savings",
+        "currency": "USD",
+        "balance": "115525.50",
+        "available-balance": "115525.50",
+        "balance-date": 1738368000,
+        "transactions": [],
+        "holdings": []
+    },
+    {
+        "org": {
+            "domain": "beta-bridge.simplefin.org",
+            "sfin-url": "https://beta-bridge.simplefin.org/simplefin",
+            "name": "SimpleFIN Demo",
+            "url": "https://beta-bridge.simplefin.org",
+            "id": "simplefin.demoorg"
+        },
+        "id": "Demo Checking",
+        "name": "SimpleFIN Checking",
+        "currency": "USD",
+        "balance": "26134.42",
+        "available-balance": "26134.42",
+        "balance-date": 1738368000,
+        "transactions": [],
+        "holdings": []
+    }
+]
+```
+<!-- [[[end]]] -->
 
 #### Get transactions for an account
 
 `simplefin transactions ACCOUNT_ID [--format FORMAT] [--lookback-days INTEGER]`
 
-    ❯ simplefin transactions "Demo Savings"
-            Transactions for Demo Savings
-    ┏━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━┓
-    ┃ Date        ┃ Payee               ┃ Amount ┃
-    ┡━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━┩
-    │ 10 Jan 2025 │ John's Fishin Shack │ -50.00 │
-    │ 10 Jan 2025 │ Grocery store       │ -90.00 │
-    │ 11 Jan 2025 │ John's Fishin Shack │ -55.50 │
-    │ 11 Jan 2025 │ Grocery store       │ -85.50 │
-    └─────────────┴─────────────────────┴────────┘
+<!-- [[[cog
+import cog
+from simplefin import cli
+from click.testing import CliRunner
+runner = CliRunner()
+result = runner.invoke(cli, ["transactions", "Demo Savings", "--lookback-days", 1])
+cog.out(
+    "```\n❯ simplefin transactions \"Demo Savings\"\n{}```".format(result.output)
+)
+]]] -->
+```
+❯ simplefin transactions "Demo Savings"
+         Transactions for Demo Savings         
+┏━━━━━━━━━━━━━┳━━━━━━━━━━━━━━━━━━━━━┳━━━━━━━━━┓
+┃ Date        ┃ Payee               ┃ Amount  ┃
+┡━━━━━━━━━━━━━╇━━━━━━━━━━━━━━━━━━━━━╇━━━━━━━━━┩
+│ 01 Feb 2025 │ You                 │ 1960.00 │
+│ 01 Feb 2025 │ John's Fishin Shack │ -05.50  │
+│ 01 Feb 2025 │ Grocery store       │ -135.50 │
+└─────────────┴─────────────────────┴─────────┘
+```
+<!-- [[[end]]] -->
 
 ##### JSON output
 
 We convert the posted and transacted_at, if provided, values into ISO strings.
 
-    ❯ simplefin transactions "Demo Savings" --format json
-    [
-        {
-            "id": "1736496000",
-            "posted": "2025-01-10T08:00:00+00:00",
-            "amount": "-50.00",
-            "description": "Fishing bait",
-            "payee": "John's Fishin Shack",
-            "memo": "JOHNS FISHIN SHACK BAIT"
-        },
-        {
-            "id": "1736524800",
-            "posted": "2025-01-10T16:00:00+00:00",
-            "amount": "-90.00",
-            "description": "Grocery store",
-            "payee": "Grocery store",
-            "memo": "LOCAL GROCER STORE #1133"
-        },
-        {
-            "id": "1736582400",
-            "posted": "2025-01-11T08:00:00+00:00",
-            "amount": "-55.50",
-            "description": "Fishing bait",
-            "payee": "John's Fishin Shack",
-            "memo": "JOHNS FISHIN SHACK BAIT"
-        },
-        {
-            "id": "1736611200",
-            "posted": "2025-01-11T16:00:00+00:00",
-            "amount": "-85.50",
-            "description": "Grocery store",
-            "payee": "Grocery store",
-            "memo": "LOCAL GROCER STORE #1133"
-        }
-    ]
+<!-- [[[cog
+import cog
+from simplefin import cli
+from click.testing import CliRunner
+runner = CliRunner()
+result = runner.invoke(cli, ["transactions", "Demo Savings", "--format", "json", "--lookback-days", 1])
+cog.out(
+    "```\n❯ simplefin transactions \"Demo Savings\" --format json\n{}```".format(result.output)
+)
+]]] -->
+```
+❯ simplefin transactions "Demo Savings" --format json
+[
+    {
+        "id": "1738382400",
+        "posted": "2025-02-01T04:00:00+00:00",
+        "amount": "1960.00",
+        "description": "Pay day!",
+        "payee": "You",
+        "memo": "PAY DAY - FROM YER JOB"
+    },
+    {
+        "id": "1738396800",
+        "posted": "2025-02-01T08:00:00+00:00",
+        "amount": "-05.50",
+        "description": "Fishing bait",
+        "payee": "John's Fishin Shack",
+        "memo": "JOHNS FISHIN SHACK BAIT"
+    },
+    {
+        "id": "1738425600",
+        "posted": "2025-02-01T16:00:00+00:00",
+        "amount": "-135.50",
+        "description": "Grocery store",
+        "payee": "Grocery store",
+        "memo": "LOCAL GROCER STORE #1133"
+    }
+]
+```
+<!-- [[[end]]] -->
diff --git a/pyproject.toml b/pyproject.toml
index 093cdb0..2d687e0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -22,6 +22,7 @@ build-backend = "hatchling.build"
 
 [dependency-groups]
 dev = [
+    "cogapp>=3.4.1",
     "pytest>=8.3.4",
     "pytest-httpx>=0.35.0",
     "ruff>=0.9.0",
@@ -32,4 +33,4 @@ source = "vcs"
 raw-options = { local_scheme = "no-local-version" }
 
 [tool.hatch.build.targets.wheel]
-packages = ["src/simplefin"]
\ No newline at end of file
+packages = ["src/simplefin"]
diff --git a/uv.lock b/uv.lock
index d6201f8..3d01132 100644
--- a/uv.lock
+++ b/uv.lock
@@ -35,6 +35,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/7e/d4/7ebdbd03970677812aac39c869717059dbb71a4cfc033ca6e5221787892c/click-8.1.8-py3-none-any.whl", hash = "sha256:63c132bbbed01578a06712a2d1f497bb62d9c1c0d329b7903a866228027263b2", size = 98188 },
 ]
 
+[[package]]
+name = "cogapp"
+version = "3.4.1"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/b1/d7/9e40d9d957ab1042046b3f6959528f47f9c6e8cb0f2031a3ba69809ed6e9/cogapp-3.4.1.tar.gz", hash = "sha256:a806d5db9e318a1a2d3fce988008179168e7db13e5e55b19b79763f9bb9d2982", size = 53776 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/92/4e/bd3bd0641fb05ba3ab6e16ffb9132ef71ffdeb0392ce21ec6670ff66eaf6/cogapp-3.4.1-py3-none-any.whl", hash = "sha256:1daba7b6c8bb23b733c64833de7aa3a42476c05afba19cff937e1b522216859d", size = 27328 },
+]
+
 [[package]]
 name = "colorama"
 version = "0.4.6"
@@ -224,6 +233,7 @@ dependencies = [
 
 [package.dev-dependencies]
 dev = [
+    { name = "cogapp" },
     { name = "pytest" },
     { name = "pytest-httpx" },
     { name = "ruff" },
@@ -238,6 +248,7 @@ requires-dist = [
 
 [package.metadata.requires-dev]
 dev = [
+    { name = "cogapp", specifier = ">=3.4.1" },
     { name = "pytest", specifier = ">=8.3.4" },
     { name = "pytest-httpx", specifier = ">=0.35.0" },
     { name = "ruff", specifier = ">=0.9.0" },