Jina AI
Free AI API for embeddings, reranking, and text processing
- Authentication
- API Key
- HTTPS
- Yes
- CORS
- Yes
- Category
- Machine Learning
- Documentation / URL
- https://jina.ai
Overview
Jina AI provides embeddings/reranking — key-based (an invalid key returns 401, verified).
Quick Start
Embeddings (replace YOUR_KEY):
curl "https://api.jina.ai/v1/embeddings" \
-H "Authorization: Bearer YOUR_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"jina-embeddings-v3","input":["hello"]}'
Authentication
- Register at jina.ai → free API key.
- Send it as
Authorization: Bearer(invalid → 401, verified).
Rate Limits & Notes
- Free tier with limits (check the docs); paid plans scale.
- Embeddings, reranking, reader.
FAQ
Is Jina AI free? Free tier with limits; more is paid.
Why 401? Invalid keys return 401 (verified) — register for a key.
What’s the auth style?
Authorization: Bearer.
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