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Free API Reliability Report

Uptime and response times for every API in the directory, measured by our own checks over the last 30 days. Free APIs disappear without notice; this is how we keep track.

2,467of 2,495 APIs responded at the latest check
5check runs in the last 30 days
12,138individual results recorded
17not responding right now

Latest check: November 12, 2026. History since November 2, 2026.

Fastest responding APIs

Uptime rankings need at least 14 daily checks per API, so until then this list shows the fastest responses at the latest check.

APICategoryAuthResponse
ThirukkuralBooksnone10 ms
Cloudmersive ValidateEmailapikey31 ms
BitWardenSecurityoauth41 ms
CollinsDictionariesapikey52 ms
NASA POWERWeathernone52 ms
ScryfallGames & Comicsnone55 ms
National Park Service, USGovernmentapikey55 ms
FunTranslationsGames & Comicsnone56 ms
Gcore CDNDevelopmentapikey57 ms
Gcore CloudDevelopmentapikey58 ms
SWAPIVideonone59 ms
FIRMSapiGovernmentapikey59 ms
openFDAHealthnone59 ms
Quotes on DesignPersonalitynone60 ms
WhatJobsJobsapikey61 ms
Udemy(instructor)Personalityapikey63 ms
DefiLlamaCryptocurrencynone66 ms
ClinicalTrials.govHealthnone67 ms
JobicyJobsnone68 ms
USAJOBSJobsapikey70 ms
The MuseJobsapikey71 ms
email59Emailapikey73 ms
CoinMarketCapCryptocurrencyapikey74 ms
DatabricksDevelopmentapikey75 ms
ZipRecruiterJobsapikey76 ms

Uptime by category

Share of all checks in the last 30 days where the API's documentation responded.

CategoryAPIsResponding nowUptime (30 days)Typical response
Books3232100%430 ms
AI3230100%415 ms
Food & Drink3030100%455 ms
News3030100%341 ms
Personality2626100%433 ms
Test Data2222100%466 ms
Cloud Storage & File Sharing2121100%284 ms
Data Validation2121100%419 ms
Vehicle2121100%419 ms
Animals1919100%887 ms
Phone1313100%291 ms
Dictionaries1212100%335 ms
Tracking1111100%442 ms
Programming1010100%593 ms
Continuous Integration77100%342 ms
Events55100%624 ms
Patent55100%499 ms
Podcasts55100%207 ms
Authentication & Authorization44100%356 ms
Documents & Productivity818199.7%445 ms
Health494999.6%399 ms
Security646499.4%462 ms
Open Data908999.3%469 ms
Email585899.3%472 ms
Weather494999.2%672 ms
Development27127099.2%409 ms
Anime242499.2%398 ms
Calendar212199.0%433 ms
Photography404099.0%404 ms
Blockchain202099.0%615 ms
Sports & Fitness808099.0%519 ms
Art & Design363698.9%433 ms
Environment353598.8%484 ms
Games & Comics11611698.4%399 ms
Social767698.4%514 ms
Video696798.2%431 ms
Text Analysis222298.2%702 ms
Geocoding11010997.8%458 ms
Open Source Projects9997.8%507 ms
Science & Math565597.8%451 ms
Music363697.8%399 ms
Shopping454597.7%508 ms
Finance12011697.4%429 ms
URL Shorteners232297.4%539 ms
Currency Exchange393897.2%569 ms
Cryptocurrency10710697.2%435 ms
Jobs565496.7%327 ms
Transportation1019995.8%534 ms
Machine Learning474595.7%488 ms
Entertainment202095.0%535 ms
Government11010794.1%627 ms
Anti-Malware181693.3%427 ms
Business716991.0%466 ms

Not responding right now

These failed the latest check on every retry. They stay listed while we confirm whether the service is gone or just moved; confirmed dead APIs are removed and logged in the changelog.

Status changes in the last 30 days

How the checks work