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.
Call it yourself
curl for this page
This API
curl "https://apis.io/api/v1/apis/apexxfintech:apexxfintech-buy-now-pay-later-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 form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.
OpenAPI Specification
openapi: 3.2.0
info:
description: '# Using the API
## Authentication
Authentication is managed using an API key, which is provided to you.'
version: '2.0'
title: APEXX FINTECH Buy Now Pay Later API
license:
name: Apexx Fintech Ltd
url: https://www.apexxfintech.com/legal-documentation/
servers:
- url: https://sandbox.apexx.global/atomic/v1/
tags:
# --- truncated at 32 KB (54 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/apexxfintech/refs/heads/main/openapi/apexxfintech-buy-now-pay-later-api-openapi.yml