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Connect Postal Data API

1 auth method · updated 2026-09-10

Postal Data API validates and looks up postal codes, locations, coordinates, and regional metadata across more than 240 countries and territories.

postaldatapi.com

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Postal Data API
    Open https://postaldatapi.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 Postal Data API dashboard.
  3. 3
    Copy it immediately
    Postal Data API 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 Postal Data API, and paste the API key into the 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

API Key

Sign in at https://postaldatapi.com, open API Keys in the dashboard, and create a key. Copy the key when it is shown because Postal Data API displays it only once. The toolkit injects it into the apiKey field of each JSON request body.

required · secret

Connect Postal Data API once — every agent can use it

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

Open the Hub →