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Agent Result Completeness Check
x402
Agent Result Completeness Check is a paid API for AI agents from api.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-09-13).
Validates that all required output paths in an agent result object are non-null, returning acceptance/rejection status with mismatch reasons and normalized evidence.
Price / call$0.001
Success—
StatusUnknown
How this service works
Agent Result Completeness Check: Agent Result Completeness Check checks required output paths for non-null values from bounded caller-supplied values without an external provider. Call Agent Result Completeness Check before paying for or accepting an x402 or agent delivery assembled from caller-supplied challenge and result metadata. Returns contract-specific checks, normalized evidence, mismatch reasons, and an explicit acceptance or rejection status for Agent Result Completeness Check as vers…
Output
Returns contract-specific completeness checks, normalized evidence of present/absent values, specific mismatch reasons for any missing or null required paths, and an explicit acceptance or rejection status indicating whether the agent result satisfies the specified output contract.
Example use cases
Pre-payment agent result gate
“I just received a result from an agent I hired and I'm about to pay via x402 — can you first check that the result has non-null values at paths 'data.answer', 'data.citations', and 'data.model_used' before I approve the payment?”
Delivery acceptance for structured output contract
“My agent was supposed to return a structured report with fields at 'report.title', 'report.sections', and 'report.conclusions' — can you validate the result I got against those required paths and tell me whether to accept or reject it?”
Completeness audit after batch agent run
“We got back results from an agent run and need to verify every required output path is filled in — check the result object for non-null values at 'result.score', 'result.label', and 'result.explanation', and give me the mismatch reasons if anything is missing.”
Technical details
Endpoint
POSThttps://api.delx.ai/api/v1/x402/agent-result-completeness-checkWhen to prefer
Use this endpoint as a preflight check immediately before accepting or paying for any agent-assembled result, especially in x402 payment flows. Prefer this over manual field inspection when you have a bounded set of required output paths and need a structured rejection reason log. Ideal when operating within agentic pipelines where you need an auditable accept/reject decision with normalized evidence rather than a simple boolean.
Side effects
- Malformed result object causes validation error — result must be a valid JSON object with at most 128 properties
- Invalid required_paths entries (e.g. paths exceeding 8192 characters) cause rejection
- Exceeding 256 required_paths items returns an error
- Empty result object with non-empty required_paths will return rejection with all paths listed as mismatches
- Deeply nested path expressions may not resolve if path syntax is not supported
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| result | object | Result supplied to Agent Result Completeness Check; used only for this bounded calculation and processed in memory without retention. |
| required_paths | array | Required Paths supplied to Agent Result Completeness Check; used only for this bounded calculation and processed in memory without retention. |
Output
Schema · Response
{
"type": "json",
"example": {
"result": {
"complete": true,
"missing_paths": []
},
"schema": "delx/util-agent-result-completeness-check/v1",
"status": "pass",
"evidence": {
"retained": false,
"input_sha256": "b2e1059ad447c4ce1b601722a097a8eb4ed493bbe167dcd67f55cc67be09d243",
"external_calls": 0
},
"operation": "delivery_contract:agent_result_completeness_check"
}
}Tags
x402
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