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Connect Polygon.io

1 auth method · updated 2026-09-10

Polygon.io provides real-time and historical market data APIs for stocks, options, forex, and cryptocurrencies, enabling developers to build financial applications with ease.

polygon.io/ ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Polygon.io
    Open https://polygon.io/ and sign in to the account you want to connect.
  2. 2
    Create the API key
    Generate a new API key from the API or developer settings in your Polygon.io dashboard.
  3. 3
    Copy it immediately
    Polygon.io usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
  4. 4
    Connect in Verslay
    In the Verslay Hub, open Connections, find Polygon.io, and paste the API key into the Polygon.io API Key field.
  5. 5
    Verify
    The connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
  6. 6
    Rotate safely
    When you rotate later: connect the new credential first, confirm it works, then revoke the old one.

What you’ll paste into Verslay

Polygon.io API Key

Your Polygon.io API key used for authentication.

required · secret
Polygon.io website ↗

Connect Polygon.io once — every agent can use it

Verslay agents share your connections. Connect Polygon.io in the Hub and every use-case that needs it lights up — no per-agent setup.

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