Connect Postgrid with Hookshot™ and your stack

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.

Tools and triggers

What Agents can do in Postgrid

Available tools and events after Postgrid is connected.

  • 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…

  • 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…

  • 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.

  • CREATE_BANK_ACCOUNT

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

  • 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.

Setup

Connect Postgrid in Hookshot™

Pick a scope, then confirm what can start a Protege and what it can do.

Trigger Access

What can start a Protege from this app.

Tool Access

What a Protege can do after it starts.

Connection scope

Prefer team for production.

Team

Shared credential for production and unattended runs.

Personal

Tied to one user—only when the workflow needs their account.

Chat

Team-scoped for supported chat surfaces.

Full setup guide

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Hookshot™ setup screen — AI agent workflow configuration with model selection, trigger status, and governance controls.