Massive API (formerly Polygon.io)
GET /vX/reference/financials endpoint removal
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Calls to GET /vX/reference/financials fail since June 22, 2026, when the experimental endpoint was sunset and ceased to be supported. Massive API (formerly Polygon.io) previously deprecated this route on September 20, 2025.
Calls it hits
GET /vX/reference/financials
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. Moving to these endpoints may require a plan upgrade or the Stocks Financials add-on.
The Fundamentals endpoints may need a plan upgrade or the Stocks Financials add-on.
In Massive API (formerly Polygon.io)'s words
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
- Verified
- , against Massive API (formerly Polygon.io)'s own pages
Questions
When does this change take effect?
Calls to GET /vX/reference/financials on Massive API (formerly Polygon.io) stopped working on June 22, 2026.
What happens to calls after June 22, 2026?
They have failed since June 22, 2026.
How do I find the calls this hits in my code?
Okapi reads your repository, finds the calls this change hits and opens a pull request with the fix. It never commits to your branches: every change comes as a pull request you review.
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