Personality APIs

Personality tests and quizzes

12 APIs in this category · last checked 2 October 2026
12
APIs listed
6
need no API key (50%)
4
CORS enabled (33%)
12
HTTPS (100%)

This directory lists 12 personality APIs. 3 of them require no API key and support CORS, so you can call them directly from browser JavaScript with no backend and no sign-up. Every entry shows whether it needs authentication, serves over HTTPS and allows cross-origin requests, so you can pick one that fits your stack before you read a single doc page.

Showing 12 of 12 APIs

Advice Slip

Returns a random, searchable piece of life advice as JSON or JSONP with no signup, and repeat requests within two seconds return the same cached slip.

Auth: No HTTPS CORS: Yes

Dev.to

Provides posts, users, comments and tags from the Forem and Dev.to platform, needs a free api-key header from account settings for most endpoints beyond public reads.

Auth: apiKey HTTPS CORS: Unknown

icanhazdadjoke

Returns random or searchable dad jokes in JSON, plain text or HTML with no authentication, but asks every client to send a custom User-Agent header.

Auth: No HTTPS CORS: Yes

FavQs

Lets you search quotes and authors, fetch the quote of the day and manage favorites, needs a free app token for most calls and limits sessions to 30 requests per 20 seconds.

Auth: apiKey HTTPS CORS: Unknown

kanye.rest

Returns one random Kanye West quote as JSON from a single GET endpoint, with no authentication required and CORS enabled for direct browser calls.

Auth: No HTTPS CORS: Yes

Udemy (Instructor)

Lets approved Udemy instructors manage and retrieve their own course, curriculum and student data, access requires a client id and secret issued after an application review.

Auth: apiKey HTTPS CORS: Unknown

Traitify

Delivers personality types and traits from an image based Me or Not Me questionnaire, plus career matching data, access needs a public and secret key pair from a developer account.

Auth: apiKey HTTPS CORS: Unknown

Quotes on Design

Serves design related quotes through the standard WordPress REST API using one endpoint with an orderby random parameter, run by a single maintainer with limited upkeep time.

Auth: No HTTPS CORS: Unknown

Stoicism Quote

Returns one random Stoic philosophy quote with the author name from a single no-auth GET endpoint, built on AWS Lambda, API Gateway and MongoDB Atlas.

Auth: No HTTPS CORS: Unknown

They Said So Quotes

Serves over a million quotes across 500 plus categories, free tier is limited to 10 calls per hour and paid plans start near 10 dollars a month for 2500 calls a day.

Auth: apiKey HTTPS CORS: Yes

Dictum

This project migrated to Quoterism, which returns quotes by id including random and quote of the day, free keys allow 60 requests per minute up to 300 per day.

Auth: apiKey HTTPS CORS: Unknown

Zen Quotes

Provides quotes from historical figures with random, daily and 50 quote batch endpoints, free access is capped at 5 requests per 30 seconds and lacks CORS headers without a paid key.

Auth: No HTTPS CORS: No

Best Personality APIs for Developers

A personality API allows developers to integrate personality quizzes, horoscope readings, fun facts, jokes, and trivia into their applications. These APIs are perfect for engagement-driven features that keep users entertained and returning.

Start with Advice Slip or icanhazdadjoke for zero setup: both are free, need no key, and return a single JSON field. Zen Quotes and FavQs suit apps that want curated quote sets with an author and tag taxonomy, though Zen Quotes throttles unkeyed traffic to five requests per thirty seconds. They Said So Quotes has the deepest catalog, over a million quotes across 500 categories, but its free tier caps out at ten calls an hour. Dev.to, via the Forem API, is the pick for real article and community data rather than one liners. The domain's biggest pitfall is churn: many entries here are side projects on free hosting that go quiet with no notice, so re-check links before shipping and avoid hardcoding a single provider.

What to check before you pick one

  • Content variety: APIs with a wide range of quiz types and topics keep content fresh and engaging for repeat users.
  • Content safety: For apps with younger audiences, choose APIs with content filtering options to exclude adult or offensive material.
  • Update frequency: Daily horoscope and fun fact APIs should refresh content every 24 hours to provide new material on each visit.

Frequently Asked Questions

What are personality APIs?

Personality APIs provide fun and engagement-oriented data including personality quiz content, horoscope readings, fun facts, random jokes, and trivia questions for entertainment applications.

Is there a free horoscope API?

Yes. Several horoscope APIs offer free tiers with daily zodiac readings. Aztro is a popular free option that returns daily horoscopes for all 12 zodiac signs with no authentication required.

What can I build with a personality or quiz API?

You can build personality quiz apps, daily horoscope widgets, trivia games, fun fact feeds, and icebreaker tools for team-building platforms using the APIs in this directory.

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