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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, $0.0007/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$0.0007
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 normalized, all-lowercase version of the submitted text string, up to 50,000 characters in length.
Example use cases
Normalize user input before database lookup
“I need to lowercase this user-submitted username before I check it against our database: 'JohnDoe_2024' — can you convert it to lowercase?”
Standardize product titles for search indexing
“Take this product title and convert it to all lowercase so I can index it for case-insensitive search: 'Apple MacBook Pro 16-Inch M3 MAX — Silver'”
Preprocess email addresses for deduplication
“I have a list of email addresses with inconsistent casing — can you lowercase this one first: 'User.Name@Example.COM'?”
Technical details
Endpoint
POSThttps://one-search.one-engine.workers.dev/v3/text-normalize/lowercase/t2?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a lightweight, pay-per-call, no-subscription solution to lowercase text within an autonomous agent pipeline running on Base. Ideal for agents that occasionally need text normalization without committing to a full NLP service subscription. Best for short to medium text blobs (up to 50,000 characters).
Side effects
- Text exceeds 50,000 character limit — request rejected
- Missing required 'text' field in request body — validation error
- Insufficient USDC balance for x402 payment — payment failure
- Network or Cloudflare Workers downtime — 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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