# How to Accept Payments in a FastAPI Backend

DevFeed: [How to Accept Payments in a FastAPI Backend](<https://devfeed.tech/articles/how-to-accept-payments-in-a-fastapi-backend-9532.md>)

Original publisher: [Read original article](<https://dodopayments.com/blogs/accept-payments-fastapi/>)

Author: Ayush Agarwal

Published: 2026-03-29T00:00:00Z

Content type: tutorial

Language: en

Sources: [Dodo Payments Blog](<https://devfeed.tech/sources/dodo-payments-blog.md>)

Topics: [FastAPI](<https://devfeed.tech/topics/fastapi.md>), [Back end](<https://devfeed.tech/topics/backend.md>), [Pydantic](<https://devfeed.tech/topics/pydantic.md>), [Python](<https://devfeed.tech/topics/python.md>), [SDKs](<https://devfeed.tech/topics/sdks.md>), [API](<https://devfeed.tech/topics/api.md>), [Software as a service](<https://devfeed.tech/topics/saas.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [async](<https://devfeed.tech/tags/async.md>), [backend](<https://devfeed.tech/tags/backend.md>), [checkout](<https://devfeed.tech/tags/checkout.md>), [compliance](<https://devfeed.tech/tags/compliance.md>), [developer-tools](<https://devfeed.tech/tags/developer-tools.md>), [fastapi](<https://devfeed.tech/tags/fastapi.md>), [how-to](<https://devfeed.tech/tags/how-to.md>), [merchant-of-record](<https://devfeed.tech/tags/merchant-of-record.md>), [payment-gateway](<https://devfeed.tech/tags/payment-gateway.md>), [payments](<https://devfeed.tech/tags/payments.md>), [python](<https://devfeed.tech/tags/python.md>), [sdk](<https://devfeed.tech/tags/sdk.md>), [swagger](<https://devfeed.tech/tags/swagger.md>), [tax](<https://devfeed.tech/tags/tax.md>), [validation](<https://devfeed.tech/tags/validation.md>), [verification](<https://devfeed.tech/tags/verification.md>), [webhooks](<https://devfeed.tech/tags/webhooks.md>)

## AI overview

A tutorial on integrating Dodo Payments into a FastAPI backend. It covers asynchronous checkout sessions and webhooks, Pydantic request validation, signature verification, and using verified webhook events as the source of truth for payment state.

## Source excerpt

Learn how to integrate Dodo Payments into your FastAPI backend with async webhook handlers, Pydantic validation, and secure signature verification.