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Connect Marketstack

1 auth method · updated 2026-09-10

Stock Data Real-Time, Intraday & Historical Market Data API providing access to 125,000+ tickers across 72+ stock exchanges worldwide

marketstack.com/ ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Marketstack
    Open https://marketstack.com/ 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 Marketstack dashboard.
  3. 3
    Copy it immediately
    Marketstack 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 Marketstack, and paste the API key into the API Access 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

API Access Key

Sign in to your Marketstack dashboard and copy your API key. Free plan uses HTTP only; paid plans support HTTPS.

required · secret
Marketstack website ↗

Connect Marketstack once — every agent can use it

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

Open the Hub →
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