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Delx Commerce — String Ends-With Check
x402
Delx Commerce — String Ends-With Check 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).
Checks whether a given text string ends with a specified suffix, returning a boolean result.
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
Returns a JSON object with a boolean 'result' field (true/false indicating whether the text ends with the given suffix), the schema identifier 'delx/util-ends-with/v1', and the suffix that was tested.
Example use cases
File extension validation in pipeline
“Check if the filename 'report_final.csv' ends with '.csv' before I try to parse it as a spreadsheet.”
URL format verification for routing
“Does the URL 'https://api.example.com/data/feed.xml' end with '.xml'? I need to know before deciding how to handle it.”
Identifier suffix check for naming conventions
“I have the string 'user_profile_v2_archived' — can you tell me if it ends with '_archived'?”
Technical details
Endpoint
POSThttps://commerce.delx.ai/api/v1/x402/ends-with?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs a deterministic, pay-per-result string suffix check without managing API keys or subscriptions — ideal for lightweight utility checks in automated pipelines where cost predictability (exactly $0.001 USDC per call) and verifiable delivery matter.
Side effects
- Missing 'text' or 'suffix' field returns a validation error
- Empty string inputs may produce unexpected boolean results
- Payment failure via x402 prevents the call from completing
- Network timeout on the Base/Solana payment settlement
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| text | string | Input field: text. |
| suffix | string | Input field: suffix. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": true,
"schema": "delx/util-ends-with/v1",
"suffix": ".json"
}
}Tags
x402
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