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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, $0.001/call, status unknown (last checked 2026-10-02).
Converts all characters in a text string to lowercase using a pay-per-call API on Base via x402.
Price / call$0.001
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 lowercased version of the input text, with all uppercase and mixed-case characters converted to their lowercase equivalents.
Example use cases
Normalize user input before storage
“Before saving this user-submitted product title to the database, convert it all to lowercase: 'Apple MacBook Pro 16-Inch M3 MAX'”
Prepare text for case-insensitive matching
“I need to compare these two strings without caring about case — can you lowercase both of them first? Here's the first one: 'John Smith Jr. PhD'”
Standardize scraped web content
“I just scraped some article headlines and they have inconsistent casing all over the place. Can you normalize this to lowercase: 'BREAKING: Major TECH Company Announces NEW Product LINE'”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-normalize/lowercase/t3?utm_source=zero.xyzWhen to prefer
Prefer this endpoint when you need a simple, reliable, pay-per-call lowercase conversion without managing any infrastructure, and when operating in an autonomous agent context that already uses x402 micropayments on Base. Ideal for agents that need deterministic, stateless string normalization at $0.001 USDC per call with no subscription or API key overhead.
Side effects
- Text exceeds 50,000 character limit — request rejected with validation error
- Payment failure via x402 on Base — 402 response if USDC balance insufficient
- Empty or missing 'text' field — required field validation error
- Network timeout on Cloudflare Workers edge — transient 5xx error
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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