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fastapi.online — Named Entity Recognition (NER) Endpoint
x402
fastapi.online — Named Entity Recognition (NER) Endpoint is a paid API for AI agents from api.fastapi.online, paid per call via x402, $0.001/call, status down (last checked 2026-10-18).
Extracts named entities (people, places, organizations, etc.) from a given text string, returning a structured array of identified entities.
Price / call$0.001
Success—
StatusDown
How this service works
Chat, embeddings, OCR, speech-to-text, image editing, image understanding (captioning/Q&A), text-to-speech, translation, writing tools, classification tools, developer tools, local utilities, format/checksum validators, encoding & crypto utilities, date/time calculators, geo/coordinate math, math & finance calculators, novelty tools, and business/social writing generators — 179 endpoints in all, across multiple specialized self-hosted models. Pay per call with crypto — no signup — or get an API key.
Output
Returns a JSON object containing an 'entities' array. Each element in the array represents a detected named entity extracted from the input text, likely including the entity string and its type (person, organization, location, etc.), though exact sub-fields may vary with the self-hosted model in use.
Example use cases
Entity extraction from news articles
“I have this news snippet: 'Elon Musk's Tesla announced a new factory in Austin, Texas, in partnership with Panasonic.' Can you extract all the named entities from it — companies, people, and places?”
Customer support message triage
“Extract any names, companies, or locations mentioned in this customer message so I can route it correctly: 'Hi, I'm John Smith from Acme Corp in Chicago and I need help with my order.'”
Research document entity tagging
“I'm processing an academic abstract about climate change policy — can you identify all the named entities in this text: 'The IPCC report cited by Senator Harris highlights findings from MIT and the University of Oxford regarding Arctic temperature shifts.'”
Technical details
Endpoint
POSThttps://api.fastapi.online/entities?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need lightweight, pay-per-call named entity recognition without signing up for a managed NLP provider. It is well-suited for agent pipelines that process occasional text snippets and want to pay in USDC crypto with no subscription commitment. Prefer alternatives like spaCy, AWS Comprehend, or Google Natural Language API if you need SLA guarantees, high-volume throughput, or richer entity metadata.
Side effects
- Missing 'text' field in request body returns a validation error
- Empty string input may return an empty entities array
- Very long text inputs may time out or truncate
- Ambiguous entity mentions may be missed or misclassified
- Payment not included or insufficient USDC causes 402 Payment Required
- Model may not support all languages equally well
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string |
Tags
x402
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