List of free API tool/service for developerππ½

3 personal projects 1 project collaborator 1 team Unlimited team members 1 team project

postman
Postman makes API development easy. Our platform offers the tools to simplify each step of the API building process and streamlines collaboration so you can create better APIs faster.
Tag: API, API-testing, API-client
Unlimited shared requests for up to 3 team members

NoCodeAPI
Save time and money to set up your third party application without code and backend like google sheet, airtable, google analytics, twitter, instagram, goodreads, calendly, xml, rss to JSON, Slack, currency, 50+ more.
Tag: API, nocode
300 requests/month Paused after 1 week inactivity
Directus
Open-Source Data Platform β Directus wraps any SQL database with a real-time GraphQL+REST API and an intuitive app for non-technical users. 100% JavaScript.
Tag: Database, SQL, GraphQL, API, CMS
Completely Free and Open-Source Works with any New or Existing SQL Database REST & GraphQL API Powerful Content/Data/Asset Management Completely Flexible Content Structure

Removebg
Remove image backgrounds automatically in 5 seconds with just one click. Don't spend hours manually picking pixels. Upload your photo now & see the magic.
Tag: API, image-API
Free to use via web, via API 50 free previews
mockAPI
MockAPI is a simple tool that lets you easily mock up APIs, generate custom data, and preform operations on it using RESTful interface. MockAPI is meant to be used as a prototyping/testing/learning tool.
Tag: mock-data, API, mock-api
1 Project 4 Resources per project

Firecamp
Firecamp is a multi-protocol API development platform. It offers dedicated GUI clients, tools and services for legacy to modern protocols and styles like Http/Rest, GraphQL, WebSocket, MQTT etc.
Tag: api-testing, api
Collaboration within your team Automate Cross API testing Protocol buffer testing Multiple API specifications Centralized platform for your API development

Tatum
Blockchain platform providing one API and SDK to create NFTs and access 40+ blockchains, including Bitcoin, Ethereum, Polygon, Algorand, Flow, and Celo.
Tag: blockchain, nft, web3, api
Unlimited API calls capped at 5 requests/second.
SeaTable
SeaTable is the new flexible way for teams to work on tasks, projects or ideas.
Tag: product-management, collaboration, nocode, api, spreadsheet, database, task-management, productivity, remote
Unlimited number of tables 10,000 rows per account 2GB storage for file attachments Up to 25 team members 1 month versioning and snapshots Community support JavaScript and Python support

Hasura
Instant GraphQL APIs for your data | Join data across databases, GraphQL & REST services to build powerful modern applications
Tag: API
1 GB data pass-through
60 requests/minute

Encore
The Encore backend framework let's you go from idea to running API in production in minutes, with no servers to manage. Get productive with Encore.
Tag: hosting, serverless, API, tracing, hosting-dynamic
Backend development platform Cloud hosting Distributed tracing Secrets management Generated API documentation

HTTPdump
Debug or inspect webhook and APIβs with httpdump. Create individual endpoints to test, debug or inspect your HTTP requests and Webhooks.
Tag: test, api

Strapi
Strapi is the leading open-source headless CMS. Itβs 100% JavaScript, fully customizable and developer-first.
Tag: API, CMS
Free forever (open source) REST & GraphQL API Highly Flexible Content Structure Powerful Content Management

Flatbase
Query your CSV and JSON files with SQL. Flatbase is the data science platform for developers. Upload files, write SQL, visualize results, and share with collaborators.
Tag: sql, json, api, playground
Up to 3 workspaces Share with up to 3 teammates

SlashApi
SlashApi is a web platform to build REST APIs fast without having to write any code yourself, you will gain instantly access to a fully operational API
Tag: api
1,000 API calls /mon Limited API Integrations 7 Days of API Log Retention Authorisation out of the box Resources with permissions Custom Validations

Hoppscotch
Helps you create requests faster, saving precious time on development.
Tag: API, API-testing
Open Source
Public API List
A collective list of free APIs. Contribute to public-apis/public-apis development by creating an account on GitHub.
Tag: api, other-list

MetalpriceAPI
MetalpriceAPI is a free and easy-to-use API for live and historical precious metals and foreign exchange rates.
Tag: API, exchangerate-api
Free 100 Req/mo

Thunder Client
Thunder Client is a Http Client Extension for Visual Studio Code for Testing APIs. Supports Graphql query. Rest Client lightweight alternative to Postman
Tag: API, API-Testing, API-Client
Lightweight API Client Simple, Clean & Easy to use UI Handle Large Responses & View in Full Screen Support VS Code Themes Collections & Environment Variables Scriptless Testing

Appwrite
Appwrite provides web and mobile developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.
Tag: API, database, storage, authentication, serverless
Open Source

Open Source Free updates forever API Client Design APIs Plugins Community Support (Github and Slack)

Pexels
Free stock photos and videos you can use everywhere. β High-quality β 100% free β No attribution needed
Tag: image, api, video, assets
Free to use for personal and commercial Attribution is not required You can modify photo and video from pexels

GraphCDN
Scale, inspect & protect your GraphQL API. Cache your queries at the edge, get insights into its usage and protect it from malicious queries.
Tag: CDN, API, graphql
5m requests per month for free Unlimited users Unlimited APIs

Cuttly
Free custom URL Shortener and branded URLs with advanced links tracking and Link Management Platform & API. Shorten and replace long URL to short link. Track your links. Use it to affiliate programs, ads, social websites, emails, text messages, flyers with QR code.
Tag: api, shortener, url
Branded domains up to 3 Link analytics history last 30 days API rate limit 6 calls / 60 sec

Pipedream
Pipedream is a low code integration platform for developers that allows you to connect APIs remarkably fast. Stop writing boilerplate code, struggling with authentication and managing infrastructure.
Tag: API
up to 10K invocations (each time a workflow or event source is triggered by an incoming event)

StaticBackend
Free and open-source self-hosted backend API enabling web and mobile developers to use common building blocks for applications. Easy to deploy Firebase alternative includes authentication, database, storage, real-time database and WebSocket, server-side functions, task scheduler, sending emails, and more.
Tag: API, database, storage, authentication, real-tie, serverless
Self-host a feature-rich backend API.

Docusaurus
An optimized site generator in React. Docusaurus helps you to move fast and write content. Build documentation websites, blogs, marketing pages, and more.
Tag: api, api-documentation, documentation
Open Source
Apify
Automate anything you can do manually in a web browser, and run it at scale. Turn any website into an API and make the web work for you!
Tag: API, automation
Free $5 platform credit usage Data retention 7 days Memory actor 4 GB

Swagger
Simplify API development for users, teams, and enterprises with the Swagger open source and professional toolset. Find out how Swagger can help you design and document your APIs at scale.
Tag: API, API-documentation
1 User API Editor, Hosted Docs & Mocking
Microlink
Enter a URL, receive information. Normalize metadata. Get HTML markup. Take a screenshot. Identify tech stack. Generate a PDF. Automate web scraping. Run Lighthouse.
Tag: api, browser-automation, cdn
100 requests/day
GraphQL.Security
One-click security scan of your GraphQL endpoints. Free, no login required.
Tag: api, security, graphql
Test for 11 common vulnerabilities One-click launch No login required No email required

Sheety
Turn spreadsheets into powerful APIs to rapidly develop prototypes, websites, apps and more.
Tag: API, database
Unlimited Projects Read, Write, Edit and Delete 200 requests per month 100 rows per sheet
Json Server
Get a full fake REST API with zero coding in less than 30 seconds (seriously) with your own JSON file
Tag: API, mock-api

Mocko
Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integrations tests.
Tag: mock-api, api
Proxy your API, choose which endpoints to mock in the cloud and inspect traffic

Unlimited bases 1,200 records per base 2GB of attachments per base Grid, calendar, kanban, form, & gallery views

Fun Fact API
A simple HTTPS api that can randomly select and return a fact from the FFA database.
Tag: api, https, rest, entertainment, fun, facts, free, easy
Free access to all the endpoints with no rate limits. Features over 1000+ facts to choose from. Very easy and simple to use and understand.

Warrant - APIs for authorization and access control
Hosted enterprise-grade authorization and access control service for your apps.
Tag: authorization, api, developer-tools, security
Free tier includes 5,000 API requests per month.

Stream
Scalable & fast API for building social networks, activity feeds, activity streams and chat apps.
Tag: chat, feeds, api
5 or less team members Less than $10k in monthly revenue Less than $100k in funding
CoinGecko API
Get free crypto market data API such as real-time prices, historical trades, tickers, and exchange data.
Tag: api, crypto-API
100% Free crypto API No keys required Publicly available

ExchangeRate-API
ExchangeRate-API is a free & Pro currency conversion API for getting the latest foreign exchange rates in an easy to use JSON format.
Tag: API, exchangerate-api
Open Access: Rate Limited API Key: 1 500 API requests p/m 24 Hour Data Updates