Free API tools or service for developers

A collection of free API app, tools or service for developers

Logo thumbnail for GraphQL.Security

GraphQL.Security

One-click security scan of your GraphQL endpoints. Free, no login required.

Tags: api, security, graphql

Free Offer:

Test for 11 common vulnerabilities One-click launch No login required No email required
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AccuWeather APIs

Accuweather API is a free service where you can get data about weather from any location and any timestamp

Tags: api, authentication, weather

Free Offer:

50 calls/day Limit 1 key/developer 24 Hours Historical Current Conditions
Logo thumbnail for APIToolkit

APIToolkit

Build and maintain your APIs with Less downtimes, Fewer support tickets, Faster time to resolution and always up to date insights into your APIs

Tags: api, monitoring

Free Offer:

1 Team Member Free 20,000 api request per month
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Beew

Schedule and monitor one-time and recurring HTTP calls to your website or API. Beew was created for developers that dont want to manage hundreds of Cron tasks.

Tags: api, cron, task, scheduling

Free Offer:

Up to 2 schedulers 15 requests per month Limited storage for log Failure notification Execution priority Recurring executions Specific date and time execution Reliable task execution 24-hour support response time
Logo thumbnail for CoinGecko API

CoinGecko API

Get free crypto market data API such as real-time prices, historical trades, tickers, and exchange data.

Tags: api, crypto-API

Free Offer:

100% Free crypto API No keys required Publicly available
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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.

Tags: api, shortener, url

Free Offer:

Branded domains up to 3 Link analytics history last 30 days API rate limit 6 calls / 60 sec
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Data Fetcher

Connect Airtable to any application or API with no-code.

Tags: api, nocode

Free Offer:

100 runs per month 10,000 records per month 5 saved requests
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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.

Tags: api-testing, api

Free Offer:

Collaboration within your team Automate Cross API testing Protocol buffer testing Multiple API specifications Centralized platform for your API development
Logo thumbnail for Flatbase

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.

Tags: sql, json, api, playground

Free Offer:

Up to 3 workspaces Share with up to 3 teammates
Logo thumbnail for Microlink

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.

Tags: api, browser-automation, cdn

Free Offer:

100 requests/day
Logo thumbnail for Mocko

Mocko

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

Tags: mock-api, api

Free Offer:

Proxy your API, choose which endpoints to mock in the cloud and inspect traffic
Logo thumbnail for Nitric Deploy

Nitric Deploy

Nitric Deploy builds and deploys the right infrastructure from your code in your chosen cloud. Get excellent developer experience with simple deployments.

Tags: serverless, api, aws

Free Offer:

Unlimited Projects Single Organisation Single User 1 Concurrent Build
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Public API List

A collective list of free APIs. Contribute to public-apis/public-apis development by creating an account on GitHub.

Tags: api, awesome-list

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rlimit.com

Get started with rate-limiting in minutes, no libraries needed, just copy-paste ready-to-go code snippet 🚀.

Tags: api

Free Offer:

10 RPS 10k requests per day.
Logo thumbnail for SerpApi

SerpApi

SerpApi is a real-time API to access Google search results. We handle proxies, solve captchas, and parse all rich structured data for you.

Tags: api, serp

Free Offer:

100 searches / month
Logo thumbnail for SlashApi

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

Tags: api

Free Offer:

1,000 API calls /mon Limited API Integrations 7 Days of API Log Retention Authorisation out of the box Resources with permissions Custom Validations
Logo thumbnail for Stream

Stream

Scalable & fast API for building social networks, activity feeds, activity streams and chat apps.

Tags: chat, feeds, api

Free Offer:

5 or less team members Less than $10k in monthly revenue Less than $100k in funding
Logo thumbnail for Tatum

Tatum

Blockchain platform providing one API and SDK to create NFTs and access 40+ blockchains, including Bitcoin, Ethereum, Polygon, Algorand, Flow, and Celo.

Tags: blockchain, nft, web3, api

Free Offer:

Unlimited API calls capped at 5 requests/second.