Sunbit

Sunbit Partner API

Server-to-server REST API for Sunbit partners and SaaS platforms. Covers pre-qualification links, "As Low As" payment estimation, Text to Pay-Over-Time SMS links, checkout transaction initialization and validation, transaction void and partial refund, merchant location onboarding and status, embedded partner-dashboard login links, and transaction/offer reporting. Authentication is a paired `sunbit-key` / `sunbit-secret` header credential, with some endpoints additionally restricted by IP allowlist. Sandbox host is api-sandbox.sunbit.com; production is api.sunbit.com.

Documentation GitHub

Documentation

📖

Documentation

https://docs.sunbit.com/docs/overview/overview

📖

APIReference

https://docs.sunbit.com/docs/api-integrations/sunbit-pre-qualification

📖

GettingStarted

https://docs.sunbit.com/docs/overview/getting-started

📖

Authentication

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/authentication/sunbit-authentication.yml

Other Resources

🔗

Conventions

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/conventions/sunbit-conventions.yml

🔗

ErrorCatalog

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/errors/sunbit-problem-types.yml

🔗

Webhooks

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/asyncapi/sunbit-webhooks.yml

🔗

Sandbox

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/sandbox/sunbit-sandbox.yml

🔗

DataModel

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/data-model/sunbit-data-model.yml

🔗

Conformance

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/conformance/sunbit-conformance.yml

🔗

APIsJSON

https://raw.githubusercontent.com/api-evangelist/sunbit/refs/heads/main/apis.yml

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/sunbit-partner-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

API entry from apis.yml

name: Sunbit Partner API
description: Server-to-server REST API for Sunbit partners and SaaS platforms. Covers pre-qualification
  links, "As Low As" payment estimation, Text to Pay-Over-Time SMS links, checkout transaction initialization
  and validation, transaction void and partial refund, merchant location onboarding and status, embedded
  partner-dashboard login links, and transaction/offer reporting. Authentication is a paired `sunbit-key`
  / `sunbit-secret` header credential, with some endpoints additionally restricted by IP allowlist. Sandbox
  host is api-sandbox.sunbit.com; production is api.sunbit.com.
humanURL: https://docs.sunbit.com/docs/overview/overview
baseURL: https://api.sunbit.com/
tags:
- Buy Now Pay Later
- point-of-sale-financing
- Payments
- Checkout
- Merchant Onboarding
- Reporting
tags_raw:
- buy-now-pay-later
- point-of-sale-financing
- payments
- checkout
- merchant-onboarding
- reporting
properties:
- type: Documentation
  url: https://docs.sunbit.com/docs/overview/overview
- type: APIReference
  url: https://docs.sunbit.com/docs/api-integrations/sunbit-pre-qualification
- type: GettingStarted
  url: https://docs.sunbit.com/docs/overview/getting-started
- type: Authentication
  url: authentication/sunbit-authentication.yml
- type: Conventions
  url: conventions/sunbit-conventions.yml
- type: ErrorCatalog
  url: errors/sunbit-problem-types.yml
- type: Webhooks
  url: asyncapi/sunbit-webhooks.yml
- type: Sandbox
  url: sandbox/sunbit-sandbox.yml
- type: DataModel
  url: data-model/sunbit-data-model.yml
- type: Conformance
  url: conformance/sunbit-conformance.yml