Issues

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

  Polymarket/py-clob-client#344 · Filter by author vicjayjay opened on May 10, 2026

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

  Polymarket/py-clob-client#343 · Filter by author NorrenZheng opened on May 6, 2026

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

  Polymarket/py-clob-client#342 · Filter by author szy10010 opened on May 5, 2026

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

  Polymarket/py-clob-client#341 · Filter by author andydoc opened on May 5, 2026

• order_version_mismatch on all sig_types with 0.34.6

  Polymarket/py-clob-client#340 · Filter by author 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

  Polymarket/py-clob-client#338 · Filter by author murphyxs8-ch1 opened on May 2, 2026
  3

• Order_version_mismatch on all market orders since April 30, 2026

  Polymarket/py-clob-client#337 · Filter by author mupeler98-del opened on Apr 30, 2026
  4

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

  Polymarket/py-clob-client#335 · Filter by author samkrab opened on Apr 28, 2026
  2

• The /markets-by-token endpoint is not supported

  Polymarket/py-clob-client#333 · Filter by author ndmeiri opened on Apr 20, 2026

• polymarket clob api error

  Polymarket/py-clob-client#331 · Filter by author Collapsar-q opened on Apr 15, 2026
  11

• tick size cache won't change

  Polymarket/py-clob-client#329 · Filter by author nvyousite opened on Apr 14, 2026
  1

• GTC Maker order status=MATCHED but CTF tokens not delivered to wallet (50% occurrence)

  Polymarket/py-clob-client#328 · Filter by author Wataru1987 opened on Apr 12, 2026
  2

• Announcement: HYDRA — Free regulatory market data feed for Polymarket/Kalshi bots

  Polymarket/py-clob-client#327 · Filter by author OGCryptoKitty opened on Apr 9, 2026

• Fee documentation contradicts CLOB API fee-rate endpoint for Sports markets

  Polymarket/py-clob-client#326 · Filter by author scottbuckel opened on Apr 8, 2026
  1

• bug: market order price uses round_normal instead of round_down (inconsistent with TS client)

  Polymarket/py-clob-client#323 · Filter by author skyc1e opened on Apr 4, 2026

• API returns balance: 0 while website shows $3.40

  Polymarket/py-clob-client#319 · Filter by author willheizi opened on Apr 1, 2026
  1

• Expose fee rate and exponent for all markets

  Polymarket/py-clob-client#317 · Filter by author Berthouille opened on Mar 31, 2026

• Make cancelOrder/cancelOrders return orders instead of just ids

  Polymarket/py-clob-client#316 · Filter by author timurrakhimzhan opened on Mar 31, 2026

• Error when trying to sell positions through clob

  Polymarket/py-clob-client#311 · Filter by author kvuxer-cell opened on Mar 26, 2026
  3

• client.get_orders() for two different account addresses

  Polymarket/py-clob-client#310 · Filter by author rdiok3 opened on Mar 25, 2026

• ClobClient add proxy ?

  Polymarket/py-clob-client#309 · Filter by author alloy2rivet opened on Mar 25, 2026
  3

• get_balance_allowance and update_balance_allowance crash with AttributeError when params not passed

  Polymarket/py-clob-client#306 · Filter by author Sush78 opened on Mar 23, 2026

• message="PolyApiException[status_code=400, error_message={'error': 'order 0xxxx is invalid. Size (1.08) lower than the minimum: 5'}]"

  Polymarket/py-clob-client#301 · Filter by author fkaragons opened on Mar 16, 2026
  2

• Inconsistent balance returned by get_balance_allowance()

  Polymarket/py-clob-client#300 · Filter by author FireLoveInIce opened on Mar 16, 2026

• unable to install py_clob_client macOS - tried python 3.13 and 3.10 + tried ckzg from git clone - failed building wheel for ckzg

  Polymarket/py-clob-client#299 · Filter by author isomare opened on Mar 16, 2026
  1