# 3P Documentation

## Docs

- [Get access token](https://docs.use3p.com/api-reference/auth/get-access-token.md): Validate API key and get access token
- [Get transaction](https://docs.use3p.com/api-reference/transactions/get-transaction.md): Get a transaction by ID
- [Initialize transaction](https://docs.use3p.com/api-reference/transactions/initialize-transaction.md): Initialize a new payment transaction
- [List transactions](https://docs.use3p.com/api-reference/transactions/list-transactions.md): List transactions for the authenticated user or API
- [Development](https://docs.use3p.com/development.md): Preview changes locally to update your docs
- [Introduction](https://docs.use3p.com/index.md): Welcome to the new home for your documentation
- [Quickstart](https://docs.use3p.com/quickstart.md): Start building awesome documentation in minutes

## OpenAPI Specs

- [swagger.mintlify](https://docs.use3p.com/swagger.mintlify.yaml)
- [openapi](https://docs.use3p.com/api-reference/openapi.json)