Addi

Addi Credit & Checkout API

REST API that lets e-commerce merchants create Addi buy-now-pay-later credit applications at checkout. Authentication is handled through Auth0 using the OAuth2 client-credentials flow (client_id + client_secret). A sandbox environment is published for integration testing before going live.

GitHub

Documentation

📖
Authentication
https://raw.githubusercontent.com/api-evangelist/addi/refs/heads/main/authentication/addi-authentication.yml

Other Resources

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Sandbox
https://raw.githubusercontent.com/api-evangelist/addi/refs/heads/main/sandbox/addi-sandbox.yml
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Conformance
https://raw.githubusercontent.com/api-evangelist/addi/refs/heads/main/conformance/addi-conformance.yml
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APIsJSON
https://raw.githubusercontent.com/api-evangelist/addi/refs/heads/main/apis.yml

API entry from apis.yml

apis.yml Raw ↑ 
name: Addi Credit & Checkout API
description: REST API that lets e-commerce merchants create Addi buy-now-pay-later credit applications
  at checkout. Authentication is handled through Auth0 using the OAuth2 client-credentials flow (client_id
  + client_secret). A sandbox environment is published for integration testing before going live.
humanURL: https://api-docs-sandbox.addi.com/auth/
baseURL: https://api.addi.com
tags:
- Payments
- Buy Now Pay Later
- Checkout
- Credit
properties:
- type: Authentication
  url: authentication/addi-authentication.yml
- type: Sandbox
  url: sandbox/addi-sandbox.yml
- type: Conformance
  url: conformance/addi-conformance.yml