Plaid

1. API overview

   Plaid products, Link, Items and access tokens.

2. Quickstart

   Link token, public token exchange and first API calls.

3. Plaid Link

   Client-side flow, link tokens and callbacks.

4. OAuth and institutions

   OAuth redirects and institution coverage.

5. Items and update mode

   Item lifecycle, update mode and re-authentication.

6. Auth

   Account and routing numbers for ACH.

7. Transactions

   Transactions Sync, categories and updates.

8. Balance and Identity

   Real-time balance checks before moving money.

9. Transfer

   Initiating ACH transfers with Plaid Transfer.

10. Webhooks

    Webhook events and how to verify them.

11. Errors

    Error types and how to handle them.

12. Sandbox and testing

    Test credentials and institutions.

13. Rate limits

    Rate limiting and the RATE_LIMIT_EXCEEDED error.

14. Security

    Securing API keys and account data.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.