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Polymarket data paths: match the source to the task

By PredictionToolkit · Updated

These choices represent distinct documented tasks with reviewed sources and useful profiles. They are ordered by task, not quality, price or sponsorship. APIs are not interchangeable merely because they concern the same markets.

Choose the data task

Goldsky on-chain data platform and delivery destinations
Goldsky
Data API4.0Editorial

Goldsky: v2 on-chain fills, matches, balances and positions delivered through an operator-owned pipeline. It requires a Goldsky account, project, CLI and destination sink; actual pipeline output and fees were not tested.

  • Access API · CLI
Official Polymarket CLOB price and book documentation
Polymarket CLOB API
Data API4.0Editorial

CLOB: official books and prices. Private orders require separate API-request and wallet-order signatures; no authenticated request, order or credential revocation was performed for this collection.

  • Access API
Official Polymarket public analytics integration guide
Polymarket Data API
Data API4.0Editorial

Data API: official positions and activity. Documentation alone does not establish a current wallet response, entitlement, retention or API-specific price.

  • Access API

Read access and migration requirements

A public read may avoid trading credentials, but still needs route-specific access and field checks. Book access does not grant order permission. Goldsky warns that legacy public subgraphs are incomplete after the April 28 v2 migration. The endpoint guide separately records limited public checks; these do not validate a private integration or a pipeline.

Preserve the boundaries

  • Struct announced its Polymarket API and Explorer cutoff for 2026-09-30; its historical profile is not a current integration recommendation.
  • Builder Leaderboard and CLOB market/user channels remain components of their parent API offerings.
  • External event feeds belong to another family and require contract-rule mapping, licensing and separate provider review.

Complete provider-specific checks

Review uptime, credentials, entitlements, rate limits, full historical coverage, downstream licensing and total costs for the intended request. Unknown pricing means unknown, not free. A useful profile does not replace an operator’s validation of the selected integration.

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