# Nova AI Inference API — Structured Data Extraction

> Nova AI Inference API — Structured Data Extraction is a paid API for AI agents from nuvo.orbonomy.xyz, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Extracts structured data from arbitrary text using AI inference, returning typed fields with confidence scores, paid per-call in USDC on Base.

## Facts

- Endpoint: POST https://nuvo.orbonomy.xyz/api/extract
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nova-ai-inference-api-structured-data-extraction-22fb45a6
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ThMrksuIwiQ4ZoohIbQgi

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability nova-ai-inference-api-structured-data-extraction-22fb45a6 -d '<json body>'
```

Example prompt: Extract the following fields from this job posting text — job title, company name, salary range, and location — and return them as structured data with a confidence score: 'Senior Software Engineer at Acme Corp, offering $150k–$180k based in New York, NY.'

## When to prefer this

Choose this endpoint when you need to extract typed, structured data from unstructured text and want a confidence score on the result. Ideal when you have a known output schema and need reliable field-level extraction rather than open-ended generation. Prefer over generic LLM chat endpoints when structured JSON output with schema adherence and per-call USDC micropayment billing is required.

## Known failure modes

- Missing required `text` field returns validation error
- Ambiguous or contradictory schema causes low-confidence or partial extraction
- Payment failure or insufficient USDC balance returns 402 payment required
- Very long text may exceed model context limits
- Output schema too complex for the model to reliably populate

## How this service works

Pay-per-call AI inference. Chat, reason, translate, analyze, generate. USDC on Base.

## Output

Returns a JSON object containing an `extracted` object with the structured fields matching the provided schema, a `confidence` score (0–1) indicating extraction reliability, the `model` used, and token `usage` stats, plus a `success` boolean and metadata envelope.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "text"
 ],
 "properties": {
  "text": {
   "type": "string",
   "description": "Text to extract data from"
  },
  "schema": {
   "type": "object",
   "description": "Expected output schema"
  },
  "instructions": {
   "type": "string",
   "description": "Additional extraction instructions"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object",
   "properties": {
    "model": {
     "type": "string"
    },
    "usage": {
     "type": "object"
    },
    "extracted": {
     "type": "object"
    },
    "confidence": {
     "type": "number"
    }
   }
  },
  "meta": {
   "type": "object"
  },
  "success": {
   "type": "boolean"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nova-ai-inference-api-structured-data-extraction-22fb45a6/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nuvo.orbonomy.xyz](https://www.zero.xyz/host/nuvo.orbonomy.xyz/llms.txt)