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ONE Engine Text Normalize Lowercase
x402
ONE Engine Text Normalize Lowercase is a paid API for AI agents from one-search.one-engine.workers.dev, paid per call via x402, $0.0065/call, status unknown (last checked 2026-10-02).
Converts input text to all lowercase characters via a pay-per-call API on Base using x402.
Price / call$0.0065
Success—
StatusUnknown
How this service works
Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.
Output
Returns a JSON object containing the lowercased version of the submitted text, with all uppercase and mixed-case characters converted to their lowercase equivalents. The response schema is open (additionalProperties: true), so the lowercased text is returned in a provider-defined field.
Example use cases
Normalize user-submitted form input
“I'm getting form submissions with inconsistent casing in names and emails — can you lowercase this batch of user input text so it's uniform before I store it: 'John DOE, JANE smith, Bob JONES'?”
Prepare text for keyword matching
“Before I run a keyword search, can you convert this product description to all lowercase so the matching is case-insensitive: 'Premium ORGANIC Coffee Beans — SINGLE Origin, Fair Trade Certified'?”
Sanitize scraped web content
“I just scraped some content from a webpage and it has all kinds of random capitalization — please normalize this to lowercase: 'BREAKING NEWS: Market SURGES As Fed ANNOUNCES Rate Decision TODAY'?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-normalize/lowercase/t7?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a simple, reliable, pay-per-call lowercase conversion without managing your own text processing infrastructure. It is ideal for autonomous agents that process occasional strings and want to avoid standing up their own NLP pipeline. At $0.0065 USDC per call, it is cost-effective for low-to-moderate volume needs. Prefer it when operating in a Base/x402 payment context already.
Side effects
- Text exceeds 50000 character limit — request rejected
- Payment not provided or insufficient USDC balance via x402 — 402 Payment Required response
- Empty text field — may return error or empty result
- Network timeout on Cloudflare Worker — retry needed
- Malformed JSON body missing required 'text' field — 400 Bad Request
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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