Discover APIs

53 APIs across 31 categories. One key, any API.

📋

Airtable

callio/airtable

Store, query, and manage structured data in bases

Data & Storage10 endpointsFree (1,200 records) · Team: $20/seat/mo
🅰️

Andi Search API

callio/andi

AI Search for the Next Generation — answers, not just links.

AI Search4 endpoints$0.01 per query
🤖

Anthropic Claude API

callio/anthropic

Claude AI models — safe, helpful, and honest AI assistant.

LLM6 endpoints$3 - $15 per million tokens
🐝

Apify API

callio/apify

Web scraping and browser automation platform with 1,500+ ready-made tools.

Scrape8 endpointsFree: $5/mo compute
🚀

Apollo.io API

callio/apollo

B2B sales intelligence — contacts, companies, and email sequences.

Sales10 endpointsFree: 50 credits/mo
🎨

Brandfetch API

callio/brandfetch

Fetch brand logos, colors, fonts and metadata from any domain.

Brand Data6 endpointsFree: 10 lookups/mo
🌐

Browserbase API

callio/browserbase

Cloud browser automation infrastructure for AI agents. Run headless browsers at scale.

Browser Automation8 endpoints$0.01 per session
🐱

Cat Facts

callio/catfacts

Random cat facts — great for testing webhooks and agents

Fun & Testing3 endpointsFree
🏢

Clearbit API

callio/clearbit

Business intelligence APIs for company and contact enrichment.

Company Search8 endpointsFrom $99/mo
🧬

Cohere API

callio/cohere

Enterprise LLMs — generate, embed, rerank, and classify text.

LLM7 endpointsFree: 1,000 calls/mo
🪙

CoinGecko API

callio/coingecko

Cryptocurrency data — prices, market cap, volume, and trends.

Finance8 endpointsFree
📊

Crunchbase API

callio/crunchbase

Startup and company data — funding, acquisitions, key people.

Company Search7 endpointsFrom $29/mo
🌐

DeepL API

callio/deepl

World's most accurate translator — 30+ languages with natural output.

Translation7 endpointsFree: 500K chars/mo

Exa API

callio/exa

Neural search engine — find similar content and pages using embeddings.

AI Search5 endpoints$0.01 per search
💡

Fiber AI API

callio/fiberai

AI-powered lead generation — find and qualify prospects automatically.

Sales6 endpoints$0.01 per lead
🔥

Firecrawl API

callio/firecrawl

Turn websites into LLM-ready data. Crawl, scrape and extract structured content.

Browser Automation7 endpoints$0.01 - $0.05 per page
🐙

GitHub

callio/github

Manage repos, issues, pull requests, and actions

Developer Tools15 endpointsFree for public repos

Groq API

callio/groq

Fastest LLM inference — Llama, Mixtral, Gemma at unprecedented speed.

LLM5 endpointsFree tier available
📧

Hunter.io API

callio/hunter

Find and verify professional email addresses from domains.

Email Finder8 endpointsFree tier: 25 searches/mo
🧪

JSONPlaceholder

callio/jsonplaceholder

Free public REST API for testing and prototyping

Testing12 endpointsFree
📋

Linear API

callio/linear

Issue tracking and project management — create, update, and query issues.

Productivity8 endpointsFree for personal use
🔗

Linkup API

callio/linkup

Web search engine for AI apps — connect your AI to the internet.

AI Search4 endpoints$0.01 per search
🗺️

Mapbox API

callio/mapbox

Maps, geocoding, directions, and location intelligence.

Maps8 endpointsFree: 100K loads/mo
📝

Notion API

callio/notion

Read and write Notion pages, databases, and blocks programmatically.

Productivity10 endpointsFree
🅾️

Olostep API

callio/olostep

Search the web, extract structured data in real time and build custom research agents.

Scrape5 endpoints$0.01 - $0.05 per request
🌤️

Open-Meteo Weather

callio/weather

Global weather forecasts and historical data — free, no key

Data & Reference7 endpointsFree for non-commercial use
🤖

OpenAI

callio/openai

GPT-4, DALL-E, Whisper — one key to all OpenAI models

AI & Machine Learning15 endpointsPay per token — $0.002–$0.06 per 1K tokens
🌤️

OpenWeatherMap API

callio/openweathermap

Global weather data — current, forecast, historical, and alerts.

Weather7 endpointsFree: 1,000 calls/day
🔍

People Data Labs API

callio/peopledatalabs

B2B data enrichment and people search with 3B+ profiles.

People Search8 endpoints$0.01 per record
🧠

Perplexity API

callio/perplexity

AI-powered search engine API with real-time web results and citations.

AI Search2 endpoints$0.01 per search
📈

Polymarket API

callio/polymarket

Real-time prediction market data — events, odds, and resolution.

Prediction Markets6 endpointsFree
🌧️

Precip AI API

callio/precipai

Highly accurate, site-specific rainfall accumulation data.

Weather4 endpoints$0.01 - $0.10 per request
👤

Proxycurl API

callio/proxycurl

Enrich LinkedIn profiles and company data programmatically.

People Search8 endpoints$0.01 per request
🔄

Replicate API

callio/replicate

Run ML models in the cloud — Flux, SDXL, Whisper, and 1000+ more.

Image8 endpointsPay per second of compute
📬

Resend API

callio/resend

Modern email API for developers — send transactional emails reliably.

Email9 endpointsFree: 3,000 emails/mo
🌍

REST Countries

callio/restcountries

Country data — population, currencies, languages & more

Data & Reference8 endpointsFree
🔩

Riveter API

callio/riveter

Web extraction API — get structured data from any web page.

Scrape5 endpoints$0.01 per extraction
🕷️

ScrapeGraphAI API

callio/scrapegraphai

AI-powered web scraping — extract structured data from any website.

Scrape5 endpoints$0.01 - $0.05 per scrape
📧

SendGrid

callio/sendgrid

Send transactional and marketing emails at scale

Communications10 endpointsFree: 100 emails/day · Pro: from $14.95/mo
🔍

SerpApi

callio/serpapi

Real-time search engine results API — Google, Bing, Yahoo and more.

Web Search8 endpointsFrom $50/mo
🌍

Serper API

callio/serper

Google Search API with structured results — fast and affordable.

Web Search8 endpointsFree: 2,500 searches/mo
📦

Shofo API

callio/shofo

Complete Social Media Data Indexes — profiles, posts, engagement.

Dataset5 endpoints$0.01 per request
🎯

Sixtyfour API

callio/sixtyfour

AI-native browser automation — natural language web interactions.

Browser Automation5 endpoints$0.05 per task
💬

Slack

callio/slack

Send messages, manage channels, and automate workflows

Communications12 endpointsFree (limited) · Pro: $8.75/user/mo
✉️

Snov.io API

callio/snov

Email finder, verifier, and drip campaign automation platform.

Email Finder8 endpointsFree tier: 50 credits/mo
🖼️

Stability AI API

callio/stability

Generate and edit images with Stable Diffusion models.

Image7 endpointsFrom $0.002 per image
💳

Stripe

callio/stripe

Accept payments, manage subscriptions and customers

Payments20 endpoints2.9% + $0.30 per transaction
🔎

Tavily API

callio/tavily

Search engine built specifically for AI agents and LLMs.

AI Search4 endpointsFree: 1,000 searches/mo
🤝

Together AI API

callio/together

Run 100+ open-source models — inference, fine-tuning, and training.

LLM7 endpointsFrom $0.20 per million tokens
📱

Twilio API

callio/twilio

Send SMS, WhatsApp messages, and make voice calls programmatically.

Messaging8 endpointsFrom $0.0079 per SMS
📤

UploadThing API

callio/uploadthing

Simple file uploads for web apps — images, videos, documents.

Storage6 endpointsFree: 2GB storage
🪪

Veriff API

callio/veriff

AI-powered identity verification — documents, biometrics, fraud prevention.

Identity Verification6 endpointsFrom $1 per verification
▶️

YouTube Data API

callio/youtube-data

Search videos, get channel data, and manage YouTube content.

Video8 endpointsFree with quotas