Connect Postal Data API
1 auth method · updated 2026-10-01
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
- 1Sign in to Postal Data APIOpen https://postaldatapi.com and sign in to the account you want to connect.
- 2Create the API keyGenerate a new API key from the API or developer settings in your Postal Data API dashboard.
- 3Copy it immediatelyPostal Data API usually shows the full API key only once, right after you create it. Store it somewhere safe before closing the page.
- 4Connect in VerslayIn the Verslay Hub, open Connections, find Postal Data API, and paste the API key into the API Key field.
- 5VerifyThe connection flips to Connected. Run any read-only action once to confirm the credential has the right scopes.
- 6Rotate safelyWhen you rotate later: connect the new credential first, confirm it works, then revoke the old one.
What you’ll paste into Verslay
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.
Postal Data API connection FAQ
How do I connect Postal Data API to Verslay?
Open Connections in the Verslay Hub, find Postal Data API, and use the API key method. The steps are: Sign in to Postal Data API, Create the API key, Copy it immediately, Connect in Verslay, Verify, Rotate safely.
What do I need before I connect Postal Data API?
You need API Key from your Postal Data API account. 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.
Related connection guides
See also Verslay use cases and agents.
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