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Connect Polygon.io

1 auth method · updated 2026-10-01

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 ↗

Polygon.io connection FAQ

How do I connect Polygon.io to Verslay?

Open Connections in the Verslay Hub, find Polygon.io, and use the API key method. The steps are: Sign in to Polygon.io, Create the API key, Copy it immediately, Connect in Verslay, Verify, Rotate safely.

What do I need before I connect Polygon.io?

You need Polygon.io API Key from your Polygon.io account. Your Polygon.io API key used for authentication.

Related connection guides

See also Verslay use cases and agents.

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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