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Delx Commerce — Reverse String API
x402
Delx Commerce — Reverse String API is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).
Reverses the characters of an input string, returning the mirrored text with character count metadata.
Price / call$0.001
Success—
StatusUnknown
How this service works
Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.
Output
A JSON object containing the reversed text string, the schema version identifier ('delx/reverse-string/v1'), and the character length of the original input string.
Example use cases
Palindrome detection pre-processing
“Take the word 'racecar' and reverse it so I can compare it to the original and check if it's a palindrome.”
Obfuscated text encoding
“Reverse this sentence for me: 'This is a secret message meant for the team' — I want to send it in a lightly obfuscated format.”
Debug mirrored output in pipeline
“I'm seeing mirrored text coming out of my pipeline — can you reverse this string 'tuptuo derorrим' to check what the original was?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/reverse-string?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need a pay-per-call, no-signup string reversal with verifiable on-chain payment via USDC on Base or Solana. Useful in agent pipelines where accountable micro-payments per operation are preferred over subscription APIs, or when a lightweight utility operation is needed without infrastructure overhead.
Side effects
- Input text exceeds 100,000 character limit — request rejected
- Missing or empty 'text' field in request body — validation error
- Payment failure via x402 — 402 Payment Required response before processing
- Malformed JSON body — 400 Bad Request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Primary text input (max 100k chars). Processed first-party; not retained as a dataset. |
Output
Schema · Response
{
"type": "json",
"example": {
"text": "dlrow tnega olleh",
"schema": "delx/reverse-string/v1",
"source_len": 17
}
}Tags
x402
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