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2,078 APIs · page 26 of 44

Nonobench

Open-source benchmark of how well LLMs solve nonogram puzzles

No authHTTPSCORS

Machine Learning

Noozra

Free news headlines from 200+ curated RSS sources

No authHTTPSCORS

News

NoPhishy

Check links to see if they're known phishing attempts

apiKeyHTTPSCORS

Anti-Malware

NoPunt

Weekly NFL game picks with model win probability, confidence tier and spread

No authHTTPSCORS

Sports & Fitness

N

Nordigen

Connect to bank accounts using official bank APIs and get raw transaction data

apiKeyHTTPSCORS ?

Finance

NORTH7 Agent

Trading signals, market analysis and geopolitical intelligence

apiKeyHTTPSCORS

Finance

Not Human Search

AI tool discovery with agentic scoring for 8,600+ tools and MCP servers

No authHTTPSCORS

Machine Learning

Notion

Integrate with Notion

OAuthHTTPSCORS ?

Documents & Productivity

N

NovaDax

NovaDAX API to access all market data, trading management endpoints

apiKeyHTTPSCORS ?

Cryptocurrency

N

NovaFortix Dev

Zero-auth REST endpoints for mock user profiles, UUIDs and HTTP status codes

No authHTTPSCORS

Test Data

Nownodes

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

apiKeyHTTPSCORS ?

Blockchain

npm Registry

Query information about your favorite Node.js libraries programatically

No authHTTPSCORS ?

Development

NPPES

National Plan & Provider Enumeration System, info on healthcare providers registered in US

No authHTTPSCORS ?

Health

N

NPR One

Personalized news listening experience from NPR

OAuthHTTPSCORS ?

News

NuGet

.NET package versions, metadata and search

No authHTTPSCORS

Development

Numbers

Number of the day, random number, number facts and anything else you want to do with numbers

apiKeyHTTPSNo CORS

Science & Math

Numlookup

Phone number validation and carrier lookup API with global coverage

apiKeyHTTPSCORS ?

Phone

Numverify

Phone number validation

apiKeyHTTPSCORS ?

Phone

Nutritionix

Worlds largest verified nutrition database

apiKeyHTTPSCORS ?

Health

Nuvinty

UK luxury list prices, price history, increases and partner pre-owned asking prices

No authHTTPSCORS

Shopping

O

OBIS

Global marine species occurrence and distribution data

No authHTTPSCORS

Science & Math

ObjectCut

Image Background removal

apiKeyHTTPSCORS

Photography

O

Ocean Facts

Facts pertaining to the physical science of Oceanography

No authHTTPSCORS ?

Science & Math

OCR.Space

OCR text extraction from images and PDFs with a free tier

apiKeyHTTPSCORS ?

Documents & Productivity

Octopart

Electronic part data for manufacturing, design, and sourcing

apiKeyHTTPSCORS ?

Shopping

Odds-API

Real-time sports betting odds from 365+ bookmakers across 34 sports via REST and WebSocket

apiKeyHTTPSCORS

Sports & Fitness

OddsBench

Independent monthly latency benchmark of sports odds APIs, with free JSON and CSV data

No authHTTPSCORS

Sports & Fitness

Oddsmagnet

Odds history from multiple UK bookmakers

No authHTTPSCORS

Sports & Fitness

OddsRadarWire

Live and prematch Betradar odds with raw no-vig probabilities, REST and SSE

apiKeyHTTPSNo CORS

Sports & Fitness

Oikolab

70+ years of global, hourly historical and forecast weather data from NOAA and ECMWF

apiKeyHTTPSCORS

Weather

O

OKEx

Cryptocurrency exchange based in Seychelles

apiKeyHTTPSCORS ?

Cryptocurrency

Oliver's mTOR Atlas

Curated mTOR research: studies by evidence type, pathway claims, open questions

No authHTTPSCORS

Science & Math

OLX Poland

Integrate with local sites by posting, managing adverts and communicating with OLX users

apiKeyHTTPSCORS ?

Shopping

On va où ?

Bike, scooter, motorcycle, wheelchair and walking routes across Europe, with safety indicators

apiKeyHTTPSNo CORS

Transportation

One Map, Singapore

Singapore Land Authority REST API services for Singapore addresses

apiKeyHTTPSCORS ?

Geocoding

OneDrive

File Sharing and Storage

OAuthHTTPSCORS ?

Cloud Storage & File Sharing

OneFindMe

Search AliExpress in any language: price, rating and orders for the delivery country

No authHTTPSCORS

Shopping

OneSignal

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

apiKeyHTTPSCORS ?

Development

Online Sudoku - Sudokumax

Free Sudoku puzzles, printable Sudoku worksheets and online play: https://sudokumax.com

apiKeyHTTPSCORS

Games & Comics

onomeo

OpenAI-compatible, about 30 free LLMs, 30 calls per 5 hours, optional pay-as-you-go, public beta

apiKeyHTTPSNo CORS

Machine Learning

OnWater

Determine if a lat/lon is on water or land

No authHTTPSCORS ?

Geocoding

O

Onyx Bazaar

Free public leaderboard of x402 paid HTTP services indexed from Coinbase CDP discovery API

No authHTTPSCORS ?

Open Data

Open Brewery DB

Breweries, Cideries and Craft Beer Bottle Shops

No authHTTPSCORS

Food & Drink

Open Charge Map

Global public registry of electric vehicle charging locations

apiKeyHTTPSCORS

Transportation

Open Collective

Get Open Collective data

No authHTTPSCORS ?

Social

Open Data Minneapolis

Spatial (GIS) and non-spatial city data for Minneapolis

No authHTTPSNo CORS

Open Data

Open Data NHS Scotland

Medical reference data and statistics by Public Health Scotland

No authHTTPSCORS ?

Health

Open Disease

API for Current cases and more stuff about COVID-19 and Influenza

No authHTTPSCORS

Health

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