Prediction-market directory
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Compare the statements and evidence we have collected. Each column retains its source dates; historical claims and missing fields are visible.
Catalogue fields are historical source statements. Page metadata may refer to a publisher or embedded product. Neither establishes the verified legal operator, present pricing, regulatory status or quality of a service.
Download this comparison as CSV| Field | Polymarket Documentation VE-d73a2d47c72de184 | clob-client (TypeScript) VK-2723fb3764bfe62e |
|---|---|---|
| Product overview | Polymarket's central limit order book REST and WebSocket API at clob.polymarket.com for order books, prices, order placement and cancellation with signed authentication. | Archived TypeScript client for the Polymarket CLOB, published as @polymarket/clob-client. README states it no longer works and points to the ts-sdk. |
| Research classification | Data & APIs | Data & APIs |
| Resource type | Documentation | Software repository |
| Platforms named in product context | Polymarket | Polymarket |
| Documented capabilities | Data API: Programmatic access is described in the product overview.; Developer SDK: A software development kit or language client is described. | Developer SDK: A software development kit or language client is described. |
| Latest sourced pricing | Free; maker fee 0, taker fee by category (0.04 to 0.07 rate factor) | Free (MIT) |
| Developer and product resources | Documentation: https://docs.polymarket.com/ | Documentation: https://docs.github.com/en; Pricing: https://github.com/pricing; Linked source repository: https://github.com/Polymarket/clob-client |
| Website research check | 2026-10-31T02:06:41.464807+00:00; Public page content was obtained during the dated check. Reachability does not establish continuing service availability. | 2026-10-31T02:07:52.520375+00:00; Public page content was obtained during the dated check. Reachability does not establish continuing service availability. |
| Published contributor description | Not supplied | Not supplied |
| Contributor pricing statement | Not supplied | Not supplied |
| Contributor details published | Not supplied | Not supplied |
| Profile claim | No active approved claim | No active approved claim |
| Record evidence | First-party website observation | Historical catalogue only |
| Historical product description | Polymarket's central limit order book REST and WebSocket API at clob.polymarket.com for order books, prices, order placement and cancellation with signed authentication. | Archived TypeScript client for the Polymarket CLOB, published as @polymarket/clob-client. README states it no longer works and points to the ts-sdk. |
| Name in the historical catalogue | Polymarket CLOB API | clob-client (TypeScript) |
| Reported category | Data & APIs | Data & APIs |
| Reported venues | Polymarket | Polymarket |
| Historical pricing statement | Free; maker fee 0, taker fee by category (0.04 to 0.07 rate factor) | Free (MIT) |
| Open-source claim | Source says no | Source says yes |
| Execution claim | Source says yes | Source says yes |
| Historical status statement | live | shut_down |
| Historical backer statement | Not stated | Not stated |
| Catalogue-reported repository | Not stated | https://github.com/Polymarket/clob-client |
| Catalogue's own check date | 2026-08-27 | 2026-08-27 |
| Catalogue snapshot date (UTC) | 2026-09-08 | 2026-09-08 |
| Operator name in page metadata | Not captured | Not captured |
| Location in page metadata | Not captured | Not captured |
| Founding date in page metadata | 2020 | Not captured |
| Page-declared statements | 10 | 0 |
| Linked repository records | 0 | 1 |
| Vultax assessment | Not assessed | Not assessed |
| Website | https://docs.polymarket.com/ | https://github.com/Polymarket/clob-client |
| Evidence | View source (opens in a new tab) Snapshot: Complete profile and history | View source (opens in a new tab) Snapshot: Complete profile and history |
Historical descriptions and catalogue claims: Kairos contributors, CC BY 4.0. Vultax adds source matching, presentation and factual comparisons. Attribution, licences and coverage.