Postgrid

60 tools available

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.

developer tools

Connect Postgrid Visit Postgrid ↗

Connect Postgrid to Definable to triage issues, review pull requests, monitor builds. Personas call Postgrid's 60 tools directly from chat or scheduled flows. Wire it into a triage, review, or release-management persona — every action runs scoped, reviewable, and logged.

Common workflows with Postgrid

Triage incoming issues

Webhook fires on every new issue
Persona summarises and labels it
Assigns the right engineer

Auto-review PRs

Pull the diff
Run a code-review persona
Post structured feedback as PR comment

Failing-build alerts

CI sends a failure event
Agent inspects logs and stack trace
Drops a debug summary in Slack

Release notes from commits

Read commits since last tag
Group by type with the model
Post to a changelog channel

Postgrid actions 60

Every Postgrid action below is a callable tool any Definable persona can invoke.

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_BANK_ACCOUNT

Tool to create a new bank account for print & mail service.

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 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 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 Trackers

Tool to list all trackers. Use when you need to retrieve a paginated list of trackers for tracking mail interactions.

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 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.

Frequently asked questions

What can I automate with Postgrid on Definable?

Anything Postgrid exposes through its API. Common developer tools workflows on Definable include triage issues, review pull requests, monitor builds. Personas can call any of the 60 Postgrid tools directly, then chain the result into another integration without you writing code.

How does Postgrid authentication work?

Postgrid uses API_KEY on Definable. You connect once from the integrations page, scoped to the permissions you choose, and from then on any persona that has the integration enabled can act on your behalf. Tokens are encrypted at rest and rotated automatically.

Is the Postgrid integration included in my Definable plan?

Yes — every Definable plan, including Starter, includes access to all 60 Postgrid tools. You only need a separate Postgrid subscription if Postgrid itself charges per seat or per API call.

Is using Postgrid through Definable secure?

Every call from a persona to Postgrid is logged with the user, persona, prompt, and response. Tokens never leave Definable's secrets vault, scopes are configurable per persona, and you can revoke access at any time from the integration page.

How do I get started with Postgrid on Definable?

Sign up for Definable, open the integrations page, find Postgrid, and connect via OAuth or API key. You can immediately attach Postgrid to any persona and start running workflows. The free Starter plan includes 5,000 credits/month.

What Postgrid actions does Definable expose?

Definable exposes all 60 Postgrid actions as callable tools — including `Cancel Box`, `Cancel Cheque`, `Cancel Cheque with Note`, plus 57 more. Each tool gets a typed parameter schema so personas know exactly how to call it.

Ready to automate with Postgrid?

Wire it up in minutes. No coding required.

Start for free Schedule a demo

← All integrations