Connect Polymarket US

1 auth method · updated 2026-09-10

Polymarket US only. This toolkit connects to the CFTC-compliant Polymarket US product for United States users, not the global Polymarket app. API credentials are created at https://polymarket.us/developers after Polymarket US account verification.

polymarket.us ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today

1
Sign in to Polymarket US
Open https://polymarket.us and sign in to the account you want to connect.
2
Create the API key
Open https://polymarket.us/developers and generate a new API key.
3
Copy it immediately
Polymarket US 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 Polymarket US, and paste the API key into the Secret Key, Key ID 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

Secret Key

Ed25519 secret key for Polymarket US only. Get it from https://polymarket.us/developers after signing in to a verified Polymarket US account. It is shown once when creating an API key; save it before leaving the page. This key signs each re

required · secret

Key ID

Public key ID for the same Polymarket US API key as the Secret Key. Get it from https://polymarket.us/developers; it is shown next to the Secret Key when the API key is created. This is the X-PM-Access-Key value and is not a secret.

required · secret

Get your credential ↗Polymarket US website ↗

Connect Polymarket US once — every agent can use it

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

Open the Hub →

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