Connect Postgrid to Definable AI

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.

About Postgrid

Postgrid is a productivity tool. Connect it to Definable AI with one-click OAuth2 — no API keys or custom code required.

What you can automate with Postgrid

Use Definable AI's agent platform to trigger workflows from Postgrid, process results with 50+ AI models, and sync data across 900+ connected apps.

Tools & Actions (60 available)

  • CREATE_BANK_ACCOUNT: Tool to create a new bank account for print & mail service.
  • Cancel Box: Tool to cancel a box order by its ID. Use when you need to cancel a pending box shipment.
  • Cancel Cheque: Tool to cancel a cheque order by its ID. Only works when the cheque has 'ready' status. Use when you need to cancel a pending cheque before it is mailed.
  • Cancel Cheque with Note: Tool to cancel a cheque order with a cancellation note. Use when you need to cancel a cheque and provide a reason for the cancellation.
  • Cancel Postcard: Tool to cancel a postcard order. Use when you need to cancel a postcard that has status 'ready'.
  • Cancel Postcard With Note: Tool to cancel a postcard order with an optional cancellation note. Use when you need to cancel a postcard that is in 'ready' status. Once cancelled, the status changes to 'cancelled' and the response includes cancellation details.
  • Cancel Return Envelope Order: Tool to cancel a return envelope order. Use when you need to cancel a pending return envelope order using the return envelope ID and order ID.
  • Create Box: Tool to create a box mailing order for letters with plastic cards or cheques. Use when you need to send multiple cheques in a secure box.
  • Create Cheque: Tool to create a cheque order for physical cheque mailing. Use when you need to send a payment via printed cheque. Requires a valid bank account ID and recipient contact details.
  • Create Contact: Tool to create a new contact in PostGrid. Use after collecting contact's name, address, and optional metadata.
  • Create Letter: Tool to create and send a letter via PostGrid. Use when recipient, sender, and content details are ready.
  • Create Postcard: Tool to create and send a postcard via PostGrid. Use when recipient, sender, and content (HTML, template, or PDF) are ready.
  • Create Return Envelope: Tool to create a return envelope for mail recipients to respond. Use when you need to include a prepaid return envelope for recipients to send back responses.
  • Create Return Envelope Order: Tool to create a batch order of return envelopes to be printed and delivered. Use when you need to order return envelopes in bulk (minimum 5000 units).
  • Create Template: Tool to create a new mail template in PostGrid. Use when you need to define reusable HTML content with dynamic placeholders. Use after confirming required template details.
  • Create Template Editor Session: Tool to create a template editor session for interactive template editing. Use when you need to generate an embeddable URL for editing a template. The session URL allows users to modify template HTML content in a visual editor.
  • Create Tracker: Tool to create a tracker for monitoring mail delivery status via URL tracking. Use when you need to track recipient engagement with personalized URLs.
  • Create Webhook: Tool to create a new webhook to receive order event notifications. Use after configuring your endpoint to handle webhook payloads.
  • Delete Bank Account: Tool to delete a bank account by its ID. Use when you need to remove a bank account after confirming its identifier.
  • Delete Contact: Tool to delete a contact by its ID. Use when you need to remove obsolete contacts after confirming their identifier.
  • Delete Template: Tool to delete a template by its ID. Use when you need to remove an existing template after confirming its identifier.
  • Delete Template Editor Session: Tool to delete a template editor session by its ID. Use when you need to remove an existing template editor session.
  • Delete Tracker: Tool to delete a tracker by its ID. Use when you need to remove an existing tracker after confirming its identifier.
  • Delete Webhook: Tool to delete a webhook subscription. Use when you need to remove an existing webhook by its ID.
  • Fill Test Return Envelope Order: Tool to fill a test return envelope order for testing purposes. This simulates filling a return envelope order in test mode, changing the status from 'placed' to 'filled'. Only works in test mode.
  • Get Bank Account: Tool to retrieve a bank account. Use after obtaining the bank account ID to fetch its details.
  • Get Box: Tool to retrieve a specific box order by ID. Use after obtaining the box ID to fetch its details.
  • Get Cheque: Tool to retrieve a specific cheque by ID. Use when you need to fetch details of a specific cheque order.
  • Get Contact: Tool to retrieve a contact. Use after obtaining the contact ID to fetch its details.
  • Get Letter: Tool to retrieve a letter. Use after you have the letter ID to fetch its details.
  • Get Postcard: Tool to retrieve a specific postcard by ID. Use when you have a postcard ID and need to fetch its details.
  • Get Return Envelope: Tool to retrieve a return envelope. Use after obtaining the return envelope ID to fetch its details.
  • Get Return Envelope Order: Tool to retrieve a specific return envelope order. Use when you need to get details about an order by its return envelope ID and order ID.
  • Get Template: Tool to retrieve a template. Use when you have the template ID and need its details.
  • Get Tracker: Tool to retrieve a tracker. Use when you have the tracker ID and need its details.
  • Get Webhook: Tool to retrieve details of a specific webhook by its ID. Use after creating a webhook to fetch its configuration and status.
  • List Bank Accounts: Tool to list bank accounts. Use when retrieving bank accounts with optional status filter and pagination.
  • List Box Orders: Tool to list box orders. Use when you need to retrieve a paginated list of box orders from PostGrid.
  • List Cheques: Tool to list cheques with optional filters and pagination. Use when you need to retrieve batches of cheque records for processing or reporting.
  • List Contacts: Tool to list contacts. Use when you need to retrieve a paginated list of contacts with optional filters like date range, metadata, name, or email.
  • List Letters: Tool to list letters. Use when retrieving letters with optional filters and pagination.
  • List Postal Statements: Tool to list all postal statements for billing and tracking purposes. Use when you need to retrieve statements for accounting or audit purposes.
  • List Postcards: Tool to retrieve a list of postcards with optional filtering and pagination. Use when you need to browse or filter postcards list.
  • List Return Envelope Orders: Tool to list all return envelope orders for a specific return envelope. Use when retrieving orders associated with a return envelope ID.
  • List Return Envelopes: Tool to list return envelopes. Use when you need to retrieve a paginated list of business reply envelopes (BREs) with optional pagination.
  • List Self-Mailers: Tool to list self-mailers. Use when you need to fetch self-mailers with filters and pagination.
  • List Sub-Organizations: Tool to list sub-organizations. Use when you need to retrieve a paginated list of sub-organizations with optional search filter.
  • List Template Editor Sessions: Tool to list template editor sessions. Use when you need to retrieve a paginated list of template editor sessions.
  • List Templates: Tool to list templates. Use when you need to retrieve a paginated list of templates with optional type filtering.
  • List Tracker Visits: Tool to list all visits for a tracker. Use when you need to retrieve visit information including device, IP address, and referred tracker/order ID for each visit.
  • List Trackers: Tool to list all trackers. Use when you need to retrieve a paginated list of trackers for tracking mail interactions.
  • List Webhook Events: Tool to retrieve a list of webhook events with optional pagination. Use when you need to view all webhook events that have occurred.
  • List Webhook Invocations: Tool to list previous invocations of a webhook with response status codes. Use when you need to view the history of webhook delivery attempts and their outcomes.
  • List Webhooks: Tool to retrieve a list of configured webhooks with optional filtering and pagination. Use when you need to view your webhooks.
  • Progress Test Box: Tool to progress a test box through processing stages for webhook testing. Use when testing webhook integration by advancing box status.
  • Progress Test Cheque: Tool to progress a test cheque through processing stages for webhook testing. Use when you need to simulate cheque status changes (ready -> printing -> processed_for_delivery -> completed) to test webhook integrations.
  • Progress Test Postcard: Tool to progress a test postcard through processing stages for webhook testing. Use when testing webhook integration by advancing postcard status.
  • Update Template: Tool to update an existing mail template in PostGrid. Use when you need to modify the HTML content, description, or metadata of a template.
  • Update Tracker: Tool to update an existing tracker's redirect URL template and/or expiration settings. Use when you need to modify tracker configuration after obtaining its identifier.
  • Update Webhook: Tool to update an existing webhook configuration. Use when you need to modify webhook URL, events, or other settings.

How to connect Postgrid

  1. Sign in to Definable AI and go to Apps
  2. Search for Postgrid and click Connect
  3. Authorize via OAuth2 — takes under 30 seconds
  4. Use Postgrid actions in your AI agents and workflows