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[BUG] py_clob_client (v1) cannot trade on new Polymarket Magic Wallet accounts (sigtype=3 not supported)

Status: Open.

#344 In Polymarket/py-clob-client;

· vicjayjay opened on May 10, 2026

POST /order always 400 "Invalid order payload" — Gnosis Safe account, everything looks correct

Status: Open.

#343 In Polymarket/py-clob-client;

· NorrenZheng opened on May 6, 2026

sum_of_matched_orders cache does not decrement after on-chain settlement (variant of #297)

Status: Open.

#342 In Polymarket/py-clob-client;

· szy10010 opened on May 5, 2026

gamma-api: ?negRiskMarketID=<id>&limit=N saturates at limit, returns unrelated markets

Status: Open.

#341 In Polymarket/py-clob-client;

· andydoc opened on May 5, 2026

order_version_mismatch on all sig_types with 0.34.6

Status: Open.

#340 In Polymarket/py-clob-client;

· sebamarinovic opened on May 5, 2026

V2 settlement reverts ~35% of matched market BUYs with uniform 1.3M gas (logic revert), asymmetric on profitable orders

Status: Open.

#338 In Polymarket/py-clob-client;

· murphyxs8-ch1 opened on May 2, 2026

Order_version_mismatch on all market orders since April 30, 2026

Status: Open.

#337 In Polymarket/py-clob-client;

· mupeler98-del opened on Apr 30, 2026

order_version_mismatch on every order placement (SIGNATURE_TYPE=1, v0.34.6) starting ~Apr 27

Status: Open.

#336 In Polymarket/py-clob-client;

· mardo89 opened on Apr 28, 2026

'error': 'order_version_mismatch' on order creation using python after clob v2 migration

Status: Open.

#335 In Polymarket/py-clob-client;

· samkrab opened on Apr 28, 2026

The /markets-by-token endpoint is not supported

Status: Open.

#333 In Polymarket/py-clob-client;

· ndmeiri opened on Apr 20, 2026

polymarket clob api error

Status: Open.

#331 In Polymarket/py-clob-client;

· Collapsar-q opened on Apr 15, 2026

tick size cache won't change

Status: Open.

#329 In Polymarket/py-clob-client;

· nvyousite opened on Apr 14, 2026