# ONE Engine Text Mentions Extractor (T8)

> ONE Engine Text Mentions Extractor (T8) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-02).

Extracts and surfaces all mentions (entities, references, or named items) from a block of text up to 50,000 characters.

## Facts

- Endpoint: POST https://one-search.one-engine.workers.dev/v3/text-extract/mentions/t8?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-02
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/one-engine-text-mentions-extractor-t8-4cc68816
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_HaqIp7wStcjrIdYYiUOcz

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 one-engine-text-mentions-extractor-t8-4cc68816 -d '<json body>'
```

Example prompt: Scan this article text and pull out every mention — people, organizations, brands, or anything else referenced — the article is about 2,000 words long and covers the recent tech merger announcement.

## When to prefer this

Choose this endpoint when you need a cheap, low-latency, pay-per-call mention extraction from arbitrary text without a subscription or quota system. Ideal for autonomous agents that process variable volumes of text and want per-call billing via x402 on Base at $0.01 USDC per call. Best for text documents up to 50,000 characters where entity/mention identification is the primary goal.

## Known failure modes

- Text exceeds 50,000 character limit — request rejected or truncated
- Empty or whitespace-only text input yields no mentions
- Payment failure via x402 protocol results in 402 response before processing
- Ambiguous or highly abbreviated text may yield incomplete mention extraction
- Non-English or mixed-language text may reduce extraction accuracy

## How this service works

Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.

## Output

A JSON object containing the extracted mentions found within the submitted text — typically a structured list of entities, references, or named items detected across the input content.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "text"
 ],
 "properties": {
  "text": {
   "type": "string",
   "description": "Text up to 50000 characters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "additionalProperties": true
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/one-engine-text-mentions-extractor-t8-4cc68816/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from one-search.one-engine.workers.dev](https://www.zero.xyz/host/one-search.one-engine.workers.dev/llms.txt)