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ONE Engine Text Domain Extraction (t9)
x402
ONE Engine Text Domain Extraction (t9) is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.018/call, status unknown (last checked 2026-10-02).
Extracts domain names or domain-related entities from a block of text using the t9 extraction model.
Price / call$0.018
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
A JSON object containing the domains or domain-related entities extracted from the input text. The exact structure is open (additionalProperties: true), but callers should expect one or more fields listing detected domain names or grouped domain data found within the submitted text.
Example use cases
Competitive intelligence from web content
“I just scraped a bunch of competitor blog posts and press releases — can you extract every domain or website they mention so I can see what tools and partners they reference?”
Link audit from documentation
“Here's our internal wiki export as plain text. Find every external domain name referenced in it so I can audit which third-party services we're linking to.”
Domain extraction from scraped emails
“I have a batch of raw email text from an inbox export. Can you identify and list all the domain names mentioned across all of them?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-extract/domains/t9?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to extract domain names specifically from free-form text at low cost ($0.018 USDC per call) and you are operating within an x402/Base payment infrastructure. It is well-suited for autonomous agents that need to process text programmatically and surface embedded domain references without building a custom regex or NLP pipeline. Prefer it over general-purpose NLP APIs when cost-per-call economics matter and you are already integrated with the ONE Engine x402 payment flow.
Side effects
- Text exceeds 50,000 character limit — request rejected or truncated
- Empty or whitespace-only text returns no extracted domains
- Text with no domain references returns an empty or null domain list
- Malformed JSON body causes a 400-level error
- Payment failure via x402 prevents the call from completing
- Ambiguous substrings that resemble domains may produce false positives
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| textrequired | string | Text up to 50000 characters |
Output
Schema · Response
{
"type": "object",
"additionalProperties": true
}Tags
x402
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