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Postgrid

Direct mail automation platform for letters, postcards, cheques, return envelopes, boxes, and order cancellation flows.

Suited for transactional mail teams that send physical mail through PostGrid, cancel orders in 'ready' status, and route returns through structured envelopes.

Sign in to connect Postgrid

Sign in to connect an account and start using Postgrid in your apps.

Example Use Cases

These are example ways Snow can use Postgrid when building apps with you. This list is meant to show examples, not document every possible capability. Connecting an account does not make Snow run these automatically on its own.

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.