cryptocurrency
Block
Bitcoin Payment, Wallet & Transaction Data
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
PUBLICAPI / API directory
Find your next API.
Know the limits. Build further.
A practical starting point for public APIs. Compare access, pricing and limitations — with direct links to the original sources.
Categories (61)
2277 APIs found
cryptocurrency
Block Lottos
On-chain lottery, draw history, jackpot and advertising endpoints
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cryptocurrency
Blockchain
Bitcoin Payment, Wallet & Transaction Data
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
cryptocurrency
blockfrost Cardano
Interaction with the Cardano mainnet and several testnets
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
blockchain
Blockscout
Multichain block explorer REST API (with Etherscan-compatible JSON-RPC)
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
mcp-servers
BlockVectra
Blockchain RPC and indexed data; keyless documentation and chain discovery
HTTPS: unknown · CORS: unknown
github-public-apis
Source listing · not independently checked
social
Blogger
The Blogger APIs allows client applications to view and update Blogger content
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
social
Bluesky
Decentralized social networking via the AT protocol
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
development
Blynk-Cloud
Control IoT Devices from Blynk IoT Cloud
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
geocoding
bng2latlong
Convert British OSGB36 easting and northing (British National Grid) to WGS84 latitude and longitude
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
games-and-comics
Board Game Geek
Board games, RPG and videogames
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
video
Bob's Burgers
Bob's Burgers API
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
government
Boletín Oficial del Estado (BOE)
Official Spanish State Gazette open data: laws, summaries and XML/JSON APIs
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
finance
Boleto.Cloud
A api to generate boletos in Brazil
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
books
BookRank
Book rankings from open reader ratings: books, series, reading orders and authors
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
development
Bored
Find random activities to fight boredom
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
transportation
Boston MBTA Transit
Stations and predicted arrivals for MBTA
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
security
Botd
Botd is a browser library for JavaScript bot detection
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
science-and-math
Botlero
Sourced, quoted specs for humanoid robots
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
open-data
BotsArchive
JSON formatted details about Telegram Bots available in database
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
development
BountyCheck
Claimability verdicts for GitHub bounty issues; free stats and sample, checks paid per call via x402
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cloud-storage-and-file-sharing
Box
File Sharing and Storage
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
machine-learning
BRAINIALL
PT-BR and Spanish audio transcription with diarization and SRT/VTT
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
development
Brainshop.ai
Make A Free A.I Brain
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
finance
Brainy Prices
UAE living costs: KHDA fees, DLD rents, fuel, utilities, telecom and relocation, with dated sources
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cryptocurrency
Brave NewCoin
Real-time and historic crypto data from more than 200+ exchanges
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
games-and-comics
Brawl Stars
Brawl Stars Game Information
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
government
Brazil
Community driven API for Brazil Public Data
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
government
Brazil Central Bank Open Data
Brazil Central Bank Open Data
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
government
Brazil Receita WS
Consult companies by CNPJ for Brazilian companies
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
government
Brazilian Chamber of Deputies Open Data
Provides legislative information in Apis XML and JSON, as well as files in various formats
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
vehicle
Brazilian Vehicles and Prices
Vehicles information from Fundação Instituto de Pesquisas Econômicas - Fipe
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
video
Breaking Bad
Breaking Bad API
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
video
Breaking Bad Quotes
Some Breaking Bad quotes
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
animals
Breed Health Score
Dog breed health scores, median lifespans and conditions
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
environment
BreezoMeter Pollen
Daily Forecast pollen conditions data for a specific location
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
development
BrewPage
Free hosting for HTML, JSON, key-value, files, multi-file sites with short URLs and TTL retention
HTTPS: yes · CORS: no
github-public-apis
Source listing · not independently checked
finance
BriefTape
Real-time AI-summarized SEC filings, Fed, FDA and BLS data, ticker-tagged
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
books
British National Bibliography
Books
HTTPS: no · CORS: unknown
github-public-apis
Source listing · not independently checked
development
Browshot
Easily make screenshots of web pages in any screen size, as any device
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cryptocurrency
BTCGlobe
Bitcoin height, fees, mempool and peer data served live from two self-hosted nodes
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cryptocurrency
btcnode.uk
Bitcoin blockchain data, fees, mempool, SEC insider trades, Reddit sentiment. x402 micropayments for paid endpoints.
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
cryptocurrency
BtcTurk
Real-time cryptocurrency data, graphs and API that allows buy&sell
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
open-data
BTU Graph
Source-reviewed energy company knowledge graph and directory exports
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
entertainment
Bucketlist Dream of the Day
Daily travel and life-experience inspiration with canonical links and images
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
continuous-integration
Buddy
The fastest continuous integration and continuous delivery platform
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
security
Bugcrowd
Bugcrowd API for interacting and tracking the reported issues programmatically
HTTPS: yes · CORS: unknown
github-public-apis
Source listing · not independently checked
games-and-comics
Bugsnax
Get information about Bugsnax
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
documents-and-productivity
BuildPDF
Convert HTML, images, and text to PDF
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
video
BulkTranscripts
YouTube transcripts for a video, a whole channel or a playlist, plus YouTube search
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
cryptocurrency
0x
API for querying token and pool stats across various liquidity pools
HTTPS: yes · CORS: yes
github-public-apis
Source listing · not independently checked
No results. Clear a filter or try another search term.
From discovery to implementation
Build with understanding.
Practical API integration guides, separate from catalog listings.
All guides →- GeoJSON to a map: valid numbers do not prove coordinate order →
- Read a damaged JSON sequence without pretending it is complete →
- JSON intake: reject ambiguous bytes before checking the resource schema →
- Read Problem Details without turning an error message into a decision rule →
- A relative API link is not text to append to a domain →
A guide for your situation
Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.
Saving is not configured. No answers or contact details are submitted or saved.
Which integration step helps you move forward?
30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.
JavaScript is required for this guide.
Contact & corrections
Send a question or report a correction using this form.
Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information
Preview: sending is not configured. This form does not send or save anything.