# x402 Agent Economy Lab Entity Extraction API

> x402 Agent Economy Lab Entity Extraction API is a paid API for AI agents from 9uqdtv-ip-209-115-177-214.tunnelmole.net, paid per call via x402, $0.004/call, status unknown (last checked 2026-09-14).

Extracts named entities (people, places, organizations, dates, etc.) from a given text string, billed per call in real USDC on Base mainnet via the x402 payment protocol.

## Facts

- Endpoint: POST https://9uqdtv-ip-209-115-177-214.tunnelmole.net/v1/entity-extract
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-agent-economy-lab-entity-extraction-api-c1e3b700
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xJHDqTTDn1oauW1gKgm6U

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 x402-agent-economy-lab-entity-extraction-api-c1e3b700 -d '<json body>'
```

Example prompt: Pull out all the named entities — people, organizations, locations, and dates — from this text: 'Apple CEO Tim Cook announced a new partnership with Samsung in Seoul on Thursday, ahead of the Q3 earnings call.'

## When to prefer this

Choose this endpoint when you need lightweight, pay-per-call named entity recognition without a subscription, especially in agentic pipelines that already use the x402 micropayment protocol on Base. It is part of a broader NLP toolkit on the same host (sentiment, summarization, batch), making it easy to chain with sibling endpoints. Prefer it over larger hosted NLP APIs when cost per call and crypto-native payment rails matter more than SLA guarantees.

## Known failure modes

- Empty or missing 'text' field returns a 400 Bad Request
- Payment failure or insufficient USDC balance results in a 402 Payment Required response
- Tunnelmole tunnel may be offline or unreachable, returning a connection error
- Very long texts may time out or hit payload limits
- NLP model may miss ambiguous or domain-specific entity names

## How this service works

Machine-payable NLP micro-services: sentiment, entity extraction, summarization, report, batch. Paid per call in REAL USDC on Base mainnet.

## Output

Returns a structured list of named entities found in the input text, each annotated with the entity type (e.g. PERSON, ORG, GPE, DATE) and optionally its character span or position in the source text. Deducted $0.004 USDC from the caller's wallet on Base mainnet via x402 upon successful response.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "text": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-agent-economy-lab-entity-extraction-api-c1e3b700/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 9uqdtv-ip-209-115-177-214.tunnelmole.net](https://www.zero.xyz/host/9uqdtv-ip-209-115-177-214.tunnelmole.net/llms.txt)