Clarifai API

⭐ Beginner's Pick Machine Learning / OAuth Advanced HTTPS
Varies by plan (check documentation)

Overview

Clarifai is a computer vision and AI platform API that enables image and video recognition, object detection, and custom model training. You can use pre-built models to classify images, detect faces, or identify concepts without writing any ML code. Authentication uses a Personal Access Token passed as a Bearer token in the Authorization header.

💡

Beginner Tip

Start with Clarifai's pre-built general image recognition model to classify images before building custom models—it recognizes thousands of concepts out of the box. Generate a Personal Access Token (PAT) from your Clarifai account settings and use it as the Bearer token.

Available Data

Use case: Integrate computer vision data into web and mobile applications
Clarifai data via REST API
JSON-formatted response data
Requires OAuth authentication

Example Response

JSON Response
{
  "status": "success",
  "data": {
    "result": "Data from Clarifai",
    "description": "Computer Vision",
    "timestamp": "2025-01-15T10:00:00Z"
  }
}

Field Reference

outputs Array of prediction outputs, one per input image.
outputs[].data.concepts List of recognized concepts or labels detected in the image.
outputs[].data.concepts[].name Human-readable label for a detected concept such as train or sky.
outputs[].data.concepts[].value Confidence score for the concept, ranging from 0 to 1.
outputs[].model.id ID of the Clarifai model used to generate the predictions.
status.code Clarifai status code; 10000 indicates a successful operation.

Implementation Example

const url = "https://docs.clarifai.com/api-guide/api-overview";
// Replace headers or query params with the values required by this API.
const response = await fetch(url, {
  headers: {
  "Authorization": "Bearer YOUR_API_KEY"
  }
});
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

401 Unauthorized Missing or expired Personal Access Token in the Authorization header.
Generate a new PAT from your Clarifai account settings and include it as Bearer YOUR_PAT in the Authorization header.
400 Bad Request - invalid image The image URL is not publicly accessible or the base64 encoding is malformed.
Ensure the image URL is publicly reachable or encode the image file correctly with base64 before sending.
402 Payment Required Exceeded the free tier prediction quota for the month.
Upgrade your Clarifai plan or wait until the next billing cycle for the quota to reset.

Matrix Score Breakdown

🌐 Reachability 30/30
⚡ Speed 15/20
🔒 Security 15/15
🛠 Developer XP 3/20
✓ Reliability 10/15

Partially tested on Apr 5, 2026

Technical Specifications

Auth OAuth
HTTPS REQUIRED
CORS UNKNOWN
Category Machine Learning
Difficulty Advanced
Verified: 2026-04-04

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