Connect Polygon

1 auth method · updated 2026-10-01

Polygon.io provides real-time and historical market data APIs for stocks, options, forex, and cryptocurrencies.

polygon.io/ ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today

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

Your Polygon.io API key, used to authorize every market data request. Sign in and copy it from Dashboard → API Keys: polygon.io/dashboard/keys

required · secret

Polygon website ↗

Polygon connection FAQ

How do I connect Polygon to Verslay?

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

What do I need before I connect Polygon?

You need Polygon API Key from your Polygon account. Your Polygon.io API key, used to authorize every market data request. Sign in and copy it from Dashboard → API Keys: polygon.io/dashboard/keys

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