M
API Matrix

AnimeFacts API

⭐ Beginner's Pick Anime / No Auth Required Beginner HTTPS CORS
Free to Use Varies (check documentation)
92 Score
Grade A+
Visit Official Site Compare Alternatives

Overview

AnimeFacts is a simple REST API with over 100 trivia facts about popular anime series, accessible by an anime slug name. No API key is required and the response is a tiny JSON array — perfect for adding a fun "did you know" widget to any anime fan site or flash card app.

💡

Beginner Tip

Use slug names like "fma_brotherhood" or "attack_on_titan" in the URL. The full list of supported anime slugs is on the GitHub README at https://chandan-02.github.io/anime-facts-rest-api/.

Available Data

anime/manga title
episode count
airing status
synopsis
rating score
genre list

Example Response

JSON Response 
{
  "id": 1,
  "title": "Attack on Titan",
  "episodes": 75,
  "status": "Finished Airing",
  "score": 8.5,
  "genres": [
    "Action",
    "Drama",
    "Fantasy"
  ],
  "synopsis": "In a world where humanity lives within enormous walled cities..."
}

Field Reference

success True when the anime slug was recognized and facts were returned
data[].fact_id Sequential ID of the fact within that anime
data[].fact The trivia fact text about the anime

Implementation Example 

const url = "https://chandan-02.github.io/anime-facts-rest-api/";
const response = await fetch(url);
if (!response.ok) throw new Error(`Request failed: ${response.status}`);
const data = await response.json();
console.log(data);

What Can You Build?

Note: These code examples are AI-generated and unverified. Always refer to the official API documentation for accurate usage.

Common Errors & Troubleshooting

404 Not Found The anime slug is unrecognized — slugs use underscores and must match exactly
✓ Check the supported slug list on the project GitHub page before querying
Long response time on first call The Heroku free dyno may be sleeping and takes 10-30 seconds to wake
✓ Wait a moment and retry — subsequent requests will be fast once the dyno is awake
fact_id out of range Requesting a specific fact number that exceeds the total for that anime
✓ Omit the fact_id to receive all facts, then check the array length before targeting a specific index

Matrix Score Breakdown

🌐 Reachability 30/30
⚡ Speed 20/20
🔒 Security 15/15
🛠 Developer XP 20/20
✓ Reliability 7/15
Response Time 39ms

Fully tested on Apr 5, 2026

Technical Specifications

Auth No Auth
HTTPS REQUIRED
CORS YES
Category Anime
Difficulty Beginner
Verified: 2026-04-04

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