Massive API (formerly Polygon.io) · Endpoint removal
GET /vX/reference/financials stops working
Stopped working
Calls to GET /vX/reference/financials on Massive API (formerly Polygon.io) stopped working on June 22, 2026.
What to use instead of these calls
Call the Fundamentals endpoints instead: GET /stocks/financials/v1/income-statements, /stocks/financials/v1/balance-sheets and /stocks/financials/v1/cash-flow-statements.
The Fundamentals endpoints may need a plan upgrade or the Stocks Financials add-on.
Calls it hits
GET /vX/reference/financials
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.
Facts
- API
- Massive API (formerly Polygon.io)
api.massive.com - Kind
- Endpoint removal
- Announced
- September 20, 2025
- Takes effect
- June 22, 2026
- Calls after that day
- Fail
- Source
- Announcement
- Last updated
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