API Documentation

Welcome to the Stack API Documentation. Here, you will find information on how to access our APIs, make API requests and build amazing fintech applications for your usecases.

Quickstart Explore SDKs

Getting started

To get started, create a developer account and get your API Key from the developer dashboard, then read about how to make requests for the resources you need to access using our HTTP APIs or dedicated client SDKs. When your integration is ready to go live, switch over to the live API endpoints and start making live API requests.

Get your API key

Guides

Authentication

Learn how to authenticate your API requests.

Rate Limits

Learn about our system rate-limits.

Errors

Read about the different types of errors returned by the API.

Webhooks

Learn how to programmatically configure webhooks for your app.

ATM Location

Learn about the contact model and how to create, retrieve, update, delete, and list contacts.

Routing Number Lookup

Learn about the conversation model and how to create, retrieve, update, delete, and list conversations.