Best Accounting API Alternatives (2026)

API for querying token and pool stats across various liquidity pools

API for querying decentralize exchange

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Ethereum Node-as-a-Service Provider

API for a tool to craftsmen used to register working hours, material usage and quality assurance. # Endpoint The endpoint `https://app.apacta.com/api/v1` should be used to communicate with the API....

Apicurio Registry is a datastore for standard event schemas and API designs. Apicurio Registry enables developers to manage and share the structure of their data using a REST interface. For example...

Wikipedia for Web APIs. Repository of API definitions in OpenAPI format. **Warning**: If you want to be notified about changes in advance please join our [Slack channel](https://join.slack.com/t/me...

AppVeyor is a hosted continuous integration service which runs on Microsoft Windows. The AppVeyor REST API provides a RESTful way to interact with the AppVeyor service. This includes managing pro...

The ART19 Content API conforms to the [JSON:API specification](http://jsonapi.org). API requests **MUST** use the HTTP Accept header: `Accept: application/vnd.api+json` API requests **MUST** be ...

Welcome to the ATS API. You can use this API to access all ATS API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https://d...

Welcome to the autogenerated documentation & test tool for Avaza's API. <br/><br/><strong>API Security & Authentication</strong><br/>Authentication options include OAuth2 Implicit and Authorization...

The definitive iPlayer API.

# The REST API of BeezUP system ## Overview The REST APIs provide programmatic access to read and write BeezUP data. Basically, with this API you will be able to do everything like you were with y...

Exchange for Trading Cryptocurrencies based in China

Get the list of all traded assets in the exchange

Digital Asset Price Data for the blockchain industry

Financial and Technical Data related to the Bitcoin Network

Cryptocurrency Trading Platform

Real-Time Cryptocurrency derivatives trading platform based in Hong Kong

Next Generation Crypto Trading Platform

Bitcoin Payment, Wallet & Transaction Data

Cryptocurrency Payment Processor

Bitcoin Payment, Wallet & Transaction Data

Interaction with the Cardano mainnet and several testnets

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Real-time and historic crypto data from more than 200+ exchanges

Real-time cryptocurrency data, graphs and API that allows buy&sell

Cryptocurrency data feed and algorithmic trading

> Check the new [Catalog onboarding guide](https://developers.vtex.com/docs/guides/catalog-overview). We created this guide to improve the onboarding experience for developers at VTEX. It assembl...

**Last Modified**: Wed Jan 4 12:47:29 UTC 2023 All endpoints are only accessible via HTTPS. * All API endpoints are located at `https://platform.climate.com` (e.g. `https://platform.climate.com...

All Currency Exchanges integrate under a single api

Bitcoin, Bitcoin Cash, Litecoin and Ethereum Prices

Cryptocurrency Trading Platform

Real time Cryptocurrency prices through a RESTful API

Cryptocurrency Trading Platform

CoinDesk's Bitcoin Price Index (BPI) in multiple currencies

Cryptocurrency Price, Market, and Developer/Social Data

Interacting with Coinigy Accounts and Exchange Directly

Real-time Crypto Currency Exchange Rates

Crypto Currency Prices

Cryptocurrencies prices, volume and more

Cryptocurrencies Prices

Cryptocurrencies prices, volume and more

Live Cryptocurrency data

Cryptocurrencies Payment & Prices

Crypto Tracker

**Base API URL**: https://api.configcat.com If you prefer the swagger documentation, you can find it here: [Swagger UI](https://api.configcat.com/swagger). The purpose of this API is to access th...

Welcome to the Connector API. You can use this API to access all Connector API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock AP...

This OpenAPI describes the API exposed by the contract.fit backend. ## Security ### Authentication All endpoints are protected: you need to make authenticated calls. There are 3 authentication m...

Welcome to the CRM API. You can use this API to access all CRM API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https://d...

Cryptocurrency Payment Processor

Cryptocurrency data

Cryptocurrencies Comparison

Cryptocurrencies Trading platform

Cryptocurrencies Exchange Rates

With Customer Credit your store can enable **credit payments** through the checkout. You can also control **invoices** and the **credit limits** of your clients. Learn more about Customer Credit...

Welcome to the Customer Support API. You can use this API to access all Customer Support API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also prov...

# Introduction Welcome to the dnd5eapi, the Dungeons & Dragons 5th Edition API! This documentation should help you familiarize yourself with the resources available and how to consume them with HT...

# Introduction The DigitalOcean API allows you to manage Droplets and resources within the DigitalOcean cloud in a simple, programmatic way using conventional HTTP requests. All of the functional...

The Engine API is an HTTP API served by Docker Engine. It is the API the Docker client uses to communicate with the Engine, so everything the Docker client can do can be done with the API. Most of...

This document is intended as a detailed reference for the precise behavior of the drchrono API. If this is your first time using the API, start with our <a href="/api-docs-old/tutorial">tutorial</a...

Decentralized cryptocurrency exchange

Welcome to the Ecommerce API. You can use this API to access all Ecommerce API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock AP...

The definitions for the APWG eCrime eXchange data clearinghouse. API Documentation errors or issues should be directed to the issues page at https://github.com/APWG/ecx2-openapi-doc. API software ...

API for EnteroBase (https://enterobase.warwick.ac.uk) EnteroBase is a user-friendly online resource, where users can upload their own sequencing data for de novo assembly by a stream-lined pipe...

Ethereum tokens, balances, addresses, history of transactions, contracts, and custom structures

Cryptocurrencies exchange based in UK

A RESTful webservice to request a railway journey - FREE plan with restricted access (max. 10 requests per minute). Please ignore the message in the API Console about the access token. Register to...

Welcome to the File Storage API. You can use this API to access all File Storage API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [M...

The Flat API allows you to easily extend the abilities of the [Flat Platform](https://flat.io), with a wide range of use cases including the following: * Creating and importing new music scores us...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

<html><head></head><body><h1 id="overview">Overview</h1> <p><em>FIRST</em>/FMS FRC Events API is a service to return relevant information about the <em>FIRST</em> Robotics Competition (FRC). Inform...

Complete REST, websocket, and FTX APIs to suit your algorithmic trading needs

Welcome to our current iteration of our REST API. While we encourage you to upgrade to v2.0 we will continue support for our [SOAP API](https://github.com/fulfillment/soap-integration). # Versioni...

API provides spot, margin and futures trading operations

Cryptocurrencies Exchange

Exchange rates between 162 currency & 300 crypto currency update each 5 min, accurate, no limits

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Welcome to the HRIS API. You can use this API to access all HRIS API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https:/...

Seychelles based cryptocurrency exchange

GraphQL based NFT API

Trade your Bitcoin and other assets with rupiah

Interaction with the Ethereum mainnet and several testnets

Welcome to the Issue Tracking API. You can use this API to access all Issue Tracking API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide ...

Cryptocurrencies Exchange

Cryptocurrency Trading Platform

Welcome to the Lead API. You can use this API to access all Lead API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https:/...

P2P platform to buy and sell Bitcoins

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

The **Marketplace API** enables marketplaces and sellers hosted on VTEX to perform their collaborative operations. >⚠️ The marketplace must [create an appKey and appToken](https://developers...

The _Marketplace Protocol_ is a set of API requests and definitions to help you integrate external sellers into a VTEX marketplace as well as external marketplaces into VTEX sellers. ## Extern...

# ATTENTION: **This version isn't compliant with data entities of old version (e.g. CL and AD). It's possible to use this configuration only to new data entities.** ## Welcome! VTEX Master ...

Bitcoin API Service focusing on the transaction fee

Brazilian Cryptocurrency Information

Provides API endpoints for thousands of crypto assets

Automated cryptocurrency exchange service

Historical and realtime cryptocurrency prices and market data

NovaDAX API to access all market data, trading management endpoints

Cryptocurrency exchange based in Seychelles

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

This application programming interface (API) allows you to explore the way candidates and committees fund their campaigns. The Federal Election Commission (FEC) API is a RESTful web service supp...

The Largest NFT Marketplace

The PeerTube API is built on HTTP(S) and is RESTful. You can use your favorite HTTP/REST library for your programming language to use PeerTube. The spec API is fully compatible with [openapi-genera...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

US based digital asset exchange

Welcome to the POS API. You can use this API to access all POS API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https://d...

This is prediction microservice as part of the Novel Metadata Fabric based on the OpenAPI 3.1 specification. It provides a forecasting functionality for pre-defined metrics such as daily energy con...

> Check the new [Pricing onboarding guide](https://developers.vtex.com/vtex-rest-api/docs/pricing-overview). We created this guide to improve the onboarding experience for developers at VTEX. It ...

> This feature is in closed beta, available only for selected customers. If you have any questions, contact our [Support](https://support.vtex.com/hc/en-us/requests). In the B2B scenario, it i...

Welcome to the Proxy API. You can use this API to access all Proxy API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` ## Headers Custom headers that ar...

# Introduction This API allows resellers to manage their resources in a simple, programmatic way using HTTP requests. # Conventions ## Requests The API supports different methods depending on t...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Welcome to the SMS API. You can use this API to access all SMS API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](https://d...

The Snyk API is available to customers on [Business and Enterprise plans](https://snyk.io/plans) and allows you to programatically integrate with Snyk. ## REST API We are in the process of buildi...

Provides various endpoints to interact with the Solana Blockchain

## Notes **Tutorial demo** using this API is at [https://spinitron.com/v2-api-demo/](https://spinitron.com/v2-api-demo/). For web integration using iframes and/or JavaScript instead of an API, see...

VTEX Subscriptions REST API Documentation This documentation describes the available REST APIs for VTEX Subscription System. With Subscriptions you can set up regularly scheduled deliveries. All...

A **Subscription** is a list of items (SKUs) tied to certain recurring purchase settings: - User profile - Address - Payment method - Frequency - Cycle Once you have [configured subscri...

The **Marketplace API** enables marketplaces and sellers hosted on VTEX to perform their collaborative operations. >⚠️ The marketplace must [create an appKey and appToken](https://developers...

Welcome to the Svix API documentation! Useful links: [Homepage](https://www.svix.com) | [Support email](mailto:support+docs@svix.com) | [Blog](https://www.svix.com/blog/) | [Slack Community](https...

Converter and validator for Swagger 2.0 to OpenAPI 3.0.x definitions

# Overview Use SwaggerHub Registry API to access, manage, and update the following resources in SwaggerHub, bypassing the web interface: * APIs * Domains * Integrations * Projects * Templ...

Cryptocurrency prices and technical analysis

API v3 targets v2 functionality with a few minor additions. The API is accessible via https://api.thetvdb.com and provides the following REST endpoints in JSON format. How to use this API documen...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Market price, data, graph for brokers and traders

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate an...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Before using this API, we recommend you read our **[Authorization Guide](https://developers.amadeus.com/self-service/apis-docs/guides/authorization-262)** for more information on how to generate a...

Provides various endpoints to interact with the Tron Blockchain

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and ...

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and e...

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and e...

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and e...

Enforcement and Compliance History Online (ECHO) is a tool developed and maintained by EPA's Office of Enforcement and Compliance Assurance for public use. ECHO provides integrated compliance and e...

Cryptocurrency Exchange based in South Africa

Welcome to the Vault API 👋 When you're looking to connect to an API, the first step is authentication. Vault helps you handle OAuth flows, store API keys, and refresh access tokens from users (c...

**Multi-tenant SaaS ecommerce platform API** Village Storefront provides a comprehensive REST API for managing online stores, products, orders, payments, and consignment vendors. Each merchant ope...

Welcome to the Webhook API. You can use this API to access all Webhook API endpoints. ## Base URL The base URL for all API requests is `https://unify.apideck.com` We also provide a [Mock API](h...

Cryptocurrencies Prices

# About the REST API The Wowza Streaming Cloud^TM REST API (application programming interface) offers complete programmatic control over live streams, transcoders, stream sources, and s...

<img src="https://cdn.zappy.app/945f9bf9e44126873952ec5113949c3f.png" width="100" /> ## Hi, there! Welcome to the **Zapier Natural Language Actions API docs**. You are currently viewing the **root...

Ethereum JSON RPC API and Web3 provider

# カラーミーショップアプリストア API [アプリストア](https://app.shop-pro.jp/)にて公開するアプリに対して、一般公開している[カラーミーショップAPI](https://developer.shop-pro.jp/docs/colorme-api)に加えて、カラーミーショップアプリストアAPI（以下、アプリストアAPIといいます）を利用することが出来ます。ア...