Resource to help get pets adopted

Collection of axolotl pictures and facts

Daily cat facts

Random cat facts

Cat as a service (cats pictures and gifs)

Pictures of cats from Tumblr

Random dog facts

Random facts of Dogs

Based on the Stanford Dogs Dataset

Retrieve recent or notable birding observations within a region

Information and pictures about individual fish species

Cat for every HTTP Status

Dogs for every HTTP response status code

IUCN Red List of Threatened Species

Get random cat facts

Movement and Migration data of animals

Petfinder is dedicated to helping pets find homes, another resource to get pets adopted

Placeholder bear pictures

Placeholder Dog pictures

Random pictures of dogs

Random pictures of ducks

Random pictures of foxes

Adoption

Random pictures of Shiba Inu, cats or birds

A public service all about Dogs, free to use when making your fancy new App, Website or Service

Bird recordings

Anime discovery, streaming & syncing with trackers

Anime Database

Anime discovery & tracking

Anime quotes (over 10k+)

Anime Facts (over 100+)

Anime industry news

Neko images, funny GIFs & more

Thousands of anime artist database to find good anime art

Unofficial MyAnimeList API

Anime discovery platform

Manga Database and Community

Translate manga pages from one language to another

Anime and Manga Database and Community

Neko Images & Anime roleplaying GIFs

Anime discovery, tracking, forum, rates

Resources from Studio Ghibli films

A useful tool to get the exact scene of an anime from a screenshot

Get waifu pictures from an archive of over 4000 images and multiple tags

Image sharing platform for anime images

IP/domain/URL reputation

IP/domain/URL reputation

Malware execution and analysis

Google Link/Domain Flagging

Community IP blacklist to check and report abusive IP addresses

Provide malware datasets and threat intelligence feeds

Malware Archive / file sourcing

Collect and share malware samples

Metacert Link Flagging

Check links to see if they're known phishing attempts

IP/domain/URL reputation

Simple REST API that can scan submitted documents/files for the presence of threats

Bulk queries and Download Malware Samples

Scan and Analyse URLs

VirusTotal File/URL Analysis

IP/domain/URL reputation

Generate images for Discord users

Art

Color scheme generator

Get various patterns, palettes and images

Smithsonian Design Museum

Discover the world’s top designers & creatives

Generate placeholder images with custom size, colors and text

Get emojis by categories and groups

European Museum and Galleries content

Art

Favicons for any website, with fallbacks

Icons

Search and fetch SVG icons from 200+ open source icon sets

Icons (find "search icon" hyperlink in page)

Icons with predone Animations

Met Museum of Art

Icons

Noise Background Image Generator

SVG Icon Generator

RijksMuseum Data

Curated architecture, design, photography and art projects with visual-similarity and taste metadata

AI image upscaling to 8K with 18 models (Real-ESRGAN, SeedVR2, AuraSR)

AI fashion design generator — transform Swedish text into clothing concepts

Easily create word clouds

Easy to implement, adaptable authentication and authorization platform

Implement OTP flow quickly

User management and authentication

Secure and modern passwordless authentication platform

Simplify login and improve user experience by integrating passwordless authentication in your app

User infrastructure for modern applications

APIs for authorization and access control

Onchain GraphQL APIs & DEX APIs

Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)

Build hybrid smart contracts with Chainlink

Chainpoint is a global network for anchoring data to the Bitcoin blockchain

Cross-frontend DEX attribution and execution quality data across Ethereum and L2s

Multi-blockchain data aggregator platform

Ethereum explorer API

Bilingual Web3 lessons, glossary search and role-based learning paths

Helium is a global, distributed network of Hotspots that create public, long-range wireless coverage

Blockchain-as-a-service solution that provides high-quality connection via API

Blockchain-based blogging and social media website

Solana on-chain agent trust scoring via MCP; 4 free tools to score, resolve and verify AI agent wallets

Indexing protocol for querying networks like Ethereum with GraphQL

To retrieve Walltime's market info

Provide simple and reliable API access to Ethereum blockchain

Do not worry about managing the multiple versions of the Bible

Semantic search across Quran, Hadith, Tafsir & 18K+ Rijal narrators

Open Source Shrimad Bhagavad Gita API including 21+ authors translation in Sanskrit/English/Hindi

Bhagavad Gita text

Bhagavad Gita API in telugu and odia languages

Free Bible API with multiple languages

Books

Books & Articles Metadata

Classic Persian poetry works including access to related manuscripts, recitations and music tracks

Books

Fast and Accurate Gurbani RESTful API

Web-API for fetching data from Project Gutenberg Books Library

KDP niche demand scores, competition analysis and revenue estimates

Books, book covers and related data

Books, book covers and related data

Enables you to get instant data from our vast poetry collection

RESTful Quran API with multiple languages

A RESTful Quran API to retrieve an Ayah, Surah, Juz or the entire Holy Quran

Free Quran API Service with 90+ different languages and 400+ translations

Free REST API for the Runyankore-Rukiga Bible — 66 books, 31106 verses

Everything you need from the Bible in one discoverable place

1330 Thirukkural poems and explanation in Tamil and English

Full-text + semantic search across the Urantia Papers, with audio narration, entities, translations

Get information from the Harry Potter universe

API for obtaining information about e-books available on the WolneLektury.pl website

API to manage your BI dashboards and data sources on Superset

Non-profit charity data

Search for company logos and embed them in your projects

Registered Domain Names Search

Hire freelancers to get work done

Companies that just raised funding, scored as sales leads, from public SEC filings

Flexible, RESTful access to the user's inbox

Collect, configure and analyze your data to reach the right audience

Post to and update maintenance and incidents on your status page through an HTTP REST API

Generate PDF, JSON & UBL invoices in 11 languages from one JSON POST

Find verified legal specialists in Georgia from natural-language queries

Send marketing campaigns and transactional mails

Marketing email can be sent and mail templates made in MJML or HTML can be sent using API

Trademark Search

SEO monitoring, email verification, lead generation, and marketing analytics

Company lookup

Search 47,000+ marketing agencies by service, location and rating

Access your queries and dashboards on Redash

GTM enrichment, lead generation, email verification, and company signals

Allows you to programmatically access and Smartsheet data and account information

Easy way to take payments, manage refunds, and help customers checkout online

Kanban software, Visualize Work, Increase Organizations Lead Time, Throughput & Productivity

Get data for procurements in Hungary in JSON format

Get data for procurements in Poland in JSON format

Get data for procurements in Romania in JSON format

Get data for procurements in Spain in JSON format

Get data for procurements in Ukraine in JSON format

Email Finder for B2B sales and email marketing and email verifier

Boards, lists and cards to help you organize and prioritize your projects

Person and company enrichment plus warm introduction paths through your network

Public holidays for 195+ countries

Worldwide Holidays

Industry-leading holiday data with over 5,000 holidays and thousands of descriptions

Catholic liturgical calendar

Lookup for a name and returns nameday date

Fastest and most advanced public holiday and observance service on the market

Display, create and modify Google calendar events

Convert between Gregorian and Hebrew, fetch Shabbat and Holiday times, etc

Historical data regarding holidays

Protestant liturgical calendar

Public holidays for more than 90 countries

Provides namedays for multiple countries

Database of ICS files for non working days

Simple REST API for checking working, non-working or short days for Russia, CIS, USA and other

Data on national, regional, and religious holidays via API

Check if a date is a Russian holiday or not

Public holidays for US states and 30 countries plus sports and finance calendars as static JSON

Bank holidays in England and Wales, Scotland and Northern Ireland

File Sharing and Storage

File Sharing and Storage

File Sharing and Storage

Super simple file sharing, convenient, anonymous and secure

Filestack File Uploader & File Upload API

Temporary file hosting with upload API, expiration times, and view limits

Unlimited size file uploads for free

File Sharing and Storage

Save & Share screen captures instantly

Simple and quick private image sharing

File Sharing and Storage

Free JSON storage for small projects

Plain Text Storage

IPFS Pinning Services API

File Sharing and Storage for groups

Decentralized Open-Source Cloud Storage

No-bullshit file hosting and URL shortening service

File Sharing and Storage for Free with 1TB Space

Resource health helps you diagnose and get support when an Azure issue impacts your resources

Build tool and processes integrations to create efficient development pipelines

The fastest continuous integration and continuous delivery platform

Automate the software development process using continuous integration and continuous delivery

Codeship is a Continuous Integration Platform in the cloud

Sync your GitHub projects with Travis CI to test your code in minutes

Real-time Crypto Currency Exchange Rates

API for querying token and pool stats across various liquidity pools

API for querying decentralize exchange

Ethereum Node-as-a-Service Provider

Korean crypto channel stance + RAG Q&A + canonical entity/topic/event store

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

Halving era, block reward, and schedule arithmetic for any Bitcoin block height

Cryptocurrency Trading Platform

Cryptocurrency Information

Real-Time Cryptocurrency derivatives trading platform based in Hong Kong

Next Generation Crypto Trading Platform

Bitcoin Payment, Wallet & Transaction Data

On-chain DEX aggregator quotes and route execution data

On-chain lottery, draw history, jackpot and advertising endpoints

Bitcoin Payment, Wallet & Transaction Data

Interaction with the Cardano mainnet and several testnets

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

Bitcoin blockchain data, fees, mempool, SEC insider trades, Reddit sentiment. x402 micropayments for paid endpoints.

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

Cryptocurrency data feed and algorithmic trading

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

Crypto Currency Prices

Live executed whale trades across 15 exchanges and on-chain DEX with an unusualness radar

Cryptocurrencies prices, volume and more

Cryptocurrencies Prices

Cryptocurrencies prices, volume and more

Live Cryptocurrency data

Cryptocurrencies Payment & Prices

Crypto Tracker

Cryptocurrency Payment Processor

Cryptocurrency data

Cryptocurrencies Comparison

Cryptocurrencies Trading platform

Cryptocurrencies Exchange Rates

Decentralized cryptocurrency exchange

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

Cryptocurrencies exchange based in UK

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

Seychelles based cryptocurrency exchange

Hyperliquid open interest, funding and cross-venue predicted rates per coin

GraphQL based NFT API

Trade your Bitcoin and other assets with rupiah

Interaction with the Ethereum mainnet and several testnets

Cryptocurrencies Exchange

Cryptocurrency Trading Platform

P2P platform to buy and sell Bitcoins

Bitcoin API Service focusing on the transaction fee

Brazilian Cryptocurrency Information

Provides API endpoints for thousands of crypto assets

Cryptocurrency info, place order

Reorg-aware Monero (XMR) network metrics, mining-pool centralization and chain reorganizations

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

US based digital asset exchange

Historical Pump.fun and PumpSwap AMM swap data as hourly Parquet files

Provides various endpoints to interact with the Solana Blockchain

Cryptocurrency prices and technical analysis

Cryptocurrency Exchange based in South Africa

100+ SEC, DeFi, crypto, and macro endpoints for AI agents via x402 micropayments

Model Context Protocol server with web search, social search & LLM chat paid via x402

Cryptocurrencies Prices

x402 pay-per-use APIs: Polymarket signals, CEX/DEX spreads, contract risk scores, gas oracle

Ethereum JSON RPC API and Web3 provider

Exchange rates and currency conversion

Free foreign exchange & crypto rates API

Exchange rates with currency conversion

Exchange rates and currency conversion

Forex currency market data

Free currency API with over 150 currencies

Exchange rates and currency conversion

Free Currency Exchange Rates API with 150+ Currencies & No Rate Limits

Provides current and historical currency exchange rates with free plan 1K requests/month

Real-time and historical currency rates JSON API

A collection of exchange rates

Portuguese free currency prices and conversion with no rate limits

Free currency conversion

Live & historical FX, 168 pairs back to 1999, Frankfurter-compatible, free 10k/mo

Exchange rates, currency conversion and time series

Real-time foreign exchange rates for major currency pairs

A collection of currency exchange rates (data in XML and JSON)

Bolivia parallel-market USD/BOB exchange rate, aggregated from P2P sources every 60s

EU VAT number validation with company name and address lookup across all 27 member states

Exchange rates, geolocation and VAT number validation

VAT number validation

Validate EN 16931 e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS

US Address Verification

Test api server to receive and return value from HTTP method

Content validator against profanity & obscenity

Read-only preflight for breaking schema changes and downstream query impact

Validates Turkish national ID, tax number, IBAN, phone, plate and parses addresses

Enter address data quickly with real-time address suggestions

Extract postal addresses from any text including emails

Validate and append data for any US postal address

Secure User-Agent String Lookup JSON API

Project to promote open source collaboration during December

Estimates the age from a first name

Amazon product, search & batch scraping API with residential proxies (1000 free)

Turn any website into a build-ready Android, iOS, PWA or Electron app project

Multiples services and public APIs

Extract device details from user-agent string

Chrome based screenshot API for developers

Wikipedia for Web APIs, OpenAPI/Swagger specs for public APIs

The Azure DevOps basic components of a REST API request/response pair

Building quick backends

Build a mock Rest API endpoint in seconds

Bitbucket API

La plus grande API de Blagues FR/The biggest FR jokes API

Schedule screenshots of web pages and sync them to your cloud

Control IoT Devices from Blynk IoT Cloud

Find random activities to fight boredom

Make A Free A.I Brain

Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention

Easily make screenshots of web pages in any screen size, as any device

Library info on CDNJS

Structured changelog metadata from open source projects

Secure random string generator

Manage DNS, CDN, Workers and other services; documented with an official OpenAPI 3.0 spec

Get IP Address, Timestamp, User Agent, Country Code, IATA, HTTP Version, TLS/SSL Version & More

Online Compiler for Various Languages

Used to retrieve and apply transformations to images

Get around the dreaded CORS error by using this proxy as a middle man

Free and simple counting service. You can use it to track page hits and specific events

Service to manage your databricks account,clusters, notebooks, jobs and workspaces

Generate editable draw.io architecture diagrams from text or infrastructure code

Status of all DigitalOcean services

Domain availability and registrar pricing across 52 TLDs

Interact with Docker Hub

Domain name search to find all domains containing particular words/phrases/etc

Domain availability across 1200+ TLDs with registration and renewal prices

Real-time status for GitHub, AWS, Discord and 90+ services

A simple JSON store API

Provide numerous capabilities for important testing and monitoring methods for websites

Estimates a gender from a first name

Trigger an email notification with a simple GET request

Get Published content into your Website, App or other embedded media

Make use of GitHub repositories, code and user info programmatically

Automate GitLab interaction programmatically

Chat for Developers

Image generation API

API to read, write, and format Google Docs documents

Google's mobile application development platform that helps build, improve, and grow app

Metadata for all families served by Google Fonts

API to read, write, and format Google Keep notes

API to read, write, and format Google Sheets data

API to read, write, and format Google Slides presentations

Online REST API for Testing and Prototyping

GraphQL and REST API Engine with built in Authorization

REST API to programmatically create apps, provision add-ons and perform other task on Heroku

Basic DNS query via HTTP GET request

Domains Data API for Developers

Test endpoints for client and server HTTP/2 protocol support

A Simple HTTP Request & Response Service

A Simple HTTP Request & Response Service with HTTP/3 Support by Cloudflare

Hipster-themed lorem ipsum generator for placeholder text

API for domain search, professional email finder, author finder and email verifier

Convert text to speech

Get Epoch time

IP Address API

IFTTT Connect API

Generate charts, QR codes and graph images

Retrieve structured data from a website or RSS feed

IP address, country and city

WHOIS domain name lookup

Geographic location of an IP address or any domain name along with some other useful information

A simple IP Address API

Another simple IP Address API

Check if websites and online services are currently down

Package info and download stats on jsDelivr CDN

Convert JSON to JSONP (on-the-fly) for easy cross-domain data requests using client-side JavaScript

Free JSON storage service. Ideal for small scale Web apps, Websites and Mobile apps

Fake REST API for testing and prototyping

Simple key-value storage REST API for quick prototyping

Creates diagrams from textual descriptions

Unofficial REST API for choosealicense.com

Generate logs

Online Lua 5.1 Decompiler

Retrieve vendor details and other information regarding a given MAC address or an OUI

Simple database service

8 serverless AI APIs for sentiment analysis, copy generation, email verification, & OCR

Fake Rest API for developers

Mock user defined test JSON for REST API endpoints

Get IP address information

Public IP address with network, location, and connection details

Estimate the nationality of a first name

Netlify is a hosting service for the programmable web

Network calculators, including subnets, DNS, binary, and security tools

Query information about your favorite Node.js libraries programatically

Self-serve customer engagement solution for Push Notifications, Email, SMS & In-App

API for calculating and comparing metrics of different websites using Page Rank algorithm

The All-in-one API Platform

Really simple API to retrieve Open Graph data from an URL

Generate QR codes and manage dynamic (editable) QR codes with scan analytics

Generate barcode images (QR, Code 128, EAN, Data Matrix and more) in SVG, PNG, JPG or PDF

Live status and incidents for 170+ cloud and SaaS providers from official feeds

API for Fake Data, image/video conversion, optimization, pdf optimization and thumbnail generation

Public API for javascript, css and font libraries on PageCDN

Real-time smartphone specifications database for 263 devices

Tool for testing APIs

Scraping and crawling anticaptcha service

Free auto-updating list of live-tested proxies (HTTP/HTTPS/SOCKS4/SOCKS5), refreshed every 6 h

Rotating Proxy API that produces a working proxy on every request

Push notifications for Android & iOS

QR codes and barcodes (Code 128, EAN-13, Data Matrix, PDF417 + more). SVG or PNG output

Create an easy to read QR code and URL shortener

Generate and decode / read QR code graphics

Generate static QR codes in SVG, PNG, JPG, WebP, PDF, or EPS

Integrate custom and unique looking QR codes into your system or workflow

Generate chart and graph images

Can be used to get AI Response, jokes, memes, and much more at lightning-fast speed

Reverse AJAX service to notify clients

A hosted REST-API ready to respond to your AJAX requests

Returns RSS feed in JSON format using feed URL

A free, RESTful API used to screenshot any desktop, or mobile website

Scraping API with Chrome fingerprint and residential proxies

Easily build scalable web scrapers

Undetectable web scraping API

Real-time, Scalable Proxy & Web Scraping REST API

Headless Chrome scraping with a simple API

Proxy API for Web scraping

Take programmatic screenshots of web pages from any website

Create pixel-perfect website screenshots

Color conversion, complementary, grayscale and contrasted text

Real-Time & Accurate Google Search Results API

Easy google sheets integration

ALL-CAPS AS A SERVICE

Extract metadata, tech stack, emails, and screenshots from any URL

Project Sonar DNS Enumeration API

SonarQube REST APIs to detect bugs, code smells & security vulnerabilities

Q&A forum for developers

A free CDN for developers

Autogenerate images with template

Unified agent API: search, scrape, enrich, image gen, TTS, STT, messaging. One key, 20+ capabilities

SERP data from major search engines with a free trial

API testing tool

Extract web pages as Markdown or structured data for AI apps

Free APIs by an AI agent on a VPS: actor lookup, word-of-the-day, poems, jokes, ping

Api and service management platform

203 JSON endpoints: hashing, encoding, unit conversion, text, dates and file conversion

Code compiler supporting 35+ languages mentioned at wandbox.org

Extract SEO metadata, contact emails, social links, and tech stack (<200ms)

Web content extraction for LLMs with scrape, crawl, search, and summarize

Web Scraping API with built-in proxies and JS rendering

Web Scraping API that bypasses anti-bot solutions while offering JS rendering, and rotating proxies

Chinese character definitions and pronunciations

Online open-access digital library for pre-modern Chinese texts

Bilingual Dictionary and Thesaurus Data

Definitions, phonetics, pronounciations, parts of speech, examples, synonyms

Indonesia dictionary many words

Word definitions, pronunciations, synonyms, antonyms and others

Dictionary and Thesaurus Data

Definitions with example sentence and photo if available

Dictionary Data

Synonyms, thesaurus and antonyms information for any given word

Collaborative dictionary data

Dictionary Data

Definitions and synonyms for more than 150,000 words

Integrate with Airtable

Online File Conversion API

HTML/URL to PDF

Programmatic access to all data in your asana system

Convert HTML, images, and text to PDF

ClickUp is a robust, cloud-based project management tool for boosting productivity

Clockify's REST-based API can be used to push/pull data to/from it & integrate it with other systems

Online file converter for audio, video, document, ebook, archive, image, spreadsheet, presentation

HTML/URL to PDF/PNG, Office documents to PDF, image conversion

Automatic time tracking for programmers

Generate PDF documents from templates with a drop-and-drop editor and a simple API

AI extraction of invoices, receipts, bank statements & contracts into structured JSON/CSV

Automate business workflows

HTML/URL to PDF

Convert, merge, split, extract text and add page numbers for PDFs. Free for 250 documents/month

JIRA is a proprietary issue tracking product that allows bug tracking and agile project management

An open source platform for developer collaboration

Web parser

Programmatically access and update data inside a monday.com account

Integrate with Notion

OCR text extraction from images and PDFs with a free tier

DocGen and eSignatures API

HTML and URL to PDF API with templates and a free tier

Bookmarking service

File sharing and productivity