# PostGrid Print & Mail API

**Canonical:** https://apis.io/apis/postgrid/print-mail-api/  
**Provider:** PostGrid — https://apis.io/providers/postgrid/  
**Base URL:** https://api.postgrid.com  
**Documentation:** https://docs.postgrid.com/

PostGrid Print & Mail API is one of 3 APIs that [PostGrid](https://apis.io/providers/postgrid/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Direct Mail, Letters, Postcards, Checks, and Self-Mailers. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.

A REST API for programmatically sending letters, postcards, checks, and self-mailers. Handles printing, postage, and delivery with support for templates, contacts, tracking, webhooks, and both test and live modes. Authenticated via x-api-key header.

## Machine-readable artifacts (6)

- **Documentation** — https://docs.postgrid.com/
- **OpenAPI** — https://postgrid.readme.io/llms.txt
- **PythonSDK** — https://github.com/postgrid/postgrid-python
- **NodeSDK** — https://github.com/postgrid/postgrid-node
- **Examples** — https://github.com/postgrid/postgrid-examples
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/postgrid/refs/heads/main/apis.yml

## Other PostGrid APIs (2)

- [PostGrid US & Canada Address Verification API](https://apis.io/apis/postgrid/address-verification-api/)
- [PostGrid International Address Verification API](https://apis.io/apis/postgrid/international-address-verification-api/)

## Tags

Direct Mail, Letters, Postcards, Checks, Self-Mailers, Print, Mail Automation

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/postgrid/print-mail-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/postgrid/.