# Lob Letters API

**Canonical:** https://apis.io/apis/lob/lob-letters-api/  
**Provider:** Lob — https://apis.io/providers/lob/  
**Documentation:** https://docs.lob.com/

Lob Letters API is one of 46 APIs that [Lob](https://apis.io/providers/lob/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Letters. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.

The letters endpoint allows you to easily print and mail letters. The API provides endpoints for creating letters, retrieving individual letters, canceling letters, and retrieving a list of letters. <div class="back-to-top" ><a href="#" onclick="toTopLink()">back to top</a></div>

## Machine-readable artifacts (2)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/lob/refs/heads/main/openapi/lob-letters-api-openapi.yml
- **Documentation** — https://docs.lob.com/

## Other Lob APIs (12)

- [Lob Accounts API](https://apis.io/apis/lob/lob-accounts-api/)
- [Lob Addresses API](https://apis.io/apis/lob/lob-addresses-api/)
- [Lob Bank  Accounts API](https://apis.io/apis/lob/lob-bank-accounts-api/)
- [Lob Bank_id API](https://apis.io/apis/lob/lob-bank-id-api/)
- [Lob Bg_id API](https://apis.io/apis/lob/lob-bg-id-api/)
- [Lob Billing  Groups API](https://apis.io/apis/lob/lob-billing-groups-api/)
- [Lob Booklet_id API](https://apis.io/apis/lob/lob-booklet-id-api/)
- [Lob Booklets API](https://apis.io/apis/lob/lob-booklets-api/)
- [Lob Buckslip_id API](https://apis.io/apis/lob/lob-buckslip-id-api/)
- [Lob Buckslips API](https://apis.io/apis/lob/lob-buckslips-api/)
- [Lob Bulk API](https://apis.io/apis/lob/lob-bulk-api/)
- [Lob Campaigns API](https://apis.io/apis/lob/lob-campaigns-api/)

## Tags

Letters

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