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Connect Postgrid

1 auth method · updated 2026-09-10

PostGrid provides APIs for automating direct mail and address verification services, enabling businesses to send letters, postcards, and checks, as well as verify and standardize addresses in real-time.

dashboard.postgrid.com/signup ↗

API key

Uses your own credential — Verslay stores it encrypted

Connectable today
  1. 1
    Sign in to Postgrid
    Open https://dashboard.postgrid.com/signup 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 Postgrid dashboard.
  3. 3
    Copy it immediately
    Postgrid 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 Postgrid, and paste the API key into the PostGrid 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

PostGrid API Key

The API key used to authenticate requests to the PostGrid API. You can find this in your PostGrid dashboard under "Settings".

required · secret
Postgrid website ↗

Connect Postgrid once — every agent can use it

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

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