{"slug":"massive-api-formerly-polygon-io","name":"Massive API (formerly Polygon.io)","host":"api.massive.com","site":"https://massive.com","category":"finance","docsUrl":null,"sources":[{"kind":"openapi","url":"https://api.massive.com/openapi"},{"kind":"archive","url":"https://massive.com/changelog/rss.xml"}],"url":"https://www.okapi.bot/providers/massive-api-formerly-polygon-io/","json":"https://www.okapi.bot/api/v1/providers/massive-api-formerly-polygon-io.json","breakingChanges":[{"slug":"get-vx-reference-financials-stops-working","api":"massive-api-formerly-polygon-io","title":"GET /vX/reference/financials stops working","kind":"removal","outcome":"fails","model":null,"announcedAt":"2025-09-20","effectiveAt":"2026-06-22","scope":null,"calls":["GET /vX/reference/financials"],"method":"GET","path":"/vX/reference/financials","source":{"url":"https://massive.com/changelog/rss.xml","kind":"archive"},"quote":"The experimental Financials VX endpoint has been sunset as of June 22, 2026, and is no longer supported. It was deprecated on September 20, 2025.","migration":"Call the Fundamentals endpoints instead: GET /stocks/financials/v1/income-statements, /stocks/financials/v1/balance-sheets and /stocks/financials/v1/cash-flow-statements.","migrationChange":null,"needsDecision":"The Fundamentals endpoints may need a plan upgrade or the Stocks Financials add-on.","text":null,"publishedAt":"2026-10-23T09:57:26.323Z","updatedAt":"2026-10-23T09:57:26.323Z","status":"in_effect","tone":"broken","url":"https://www.okapi.bot/providers/massive-api-formerly-polygon-io/breaking-changes/get-vx-reference-financials-stops-working/"},{"slug":"get-benzinga-v1-news-stops-working","api":"massive-api-formerly-polygon-io","title":"GET /benzinga/v1/news stops working","kind":"version_retirement","outcome":"fails","model":null,"announcedAt":null,"effectiveAt":"2025-12-01","scope":null,"calls":["GET /benzinga/v1/news"],"method":"GET","path":"/benzinga/v1/news","source":{"url":"https://massive.com/changelog/rss.xml","kind":"archive"},"quote":"The Benzinga News v1 API has been officially sunset and is no longer available. Users should migrate to the Benzinga News v2 API","migration":"Call GET /benzinga/v2/news instead, adapting to its small breaking changes.","migrationChange":null,"needsDecision":null,"text":null,"publishedAt":"2026-10-23T09:57:26.323Z","updatedAt":"2026-10-23T09:57:26.323Z","status":"in_effect","tone":"broken","url":"https://www.okapi.bot/providers/massive-api-formerly-polygon-io/breaking-changes/get-benzinga-v1-news-stops-working/"}]}