---
title: "Maintenance Fee REST API"
account: uspto
slug: maintenance-fee-rest-api
---

# Maintenance Fee REST API

Patents: validate patent numbers, look up maintenance fee details, and submit bulk fee payments

- Operations: 58
- Versions: 3 (latest `e9c1637ae9b0`)
- Source: https://fees.uspto.gov/mntfee-services/api-docs?group=v1
- OpenAPI document: https://skmtc.dev/uspto/apis/maintenance-fee-rest-api/revisions/e9c1637ae9b0?raw

## Operations

58 in total, by tag:

- maintenanceFeeResource (58)

Every operation, with a link to its markdown: https://skmtc.dev/uspto/apis/maintenance-fee-rest-api/llms.txt