# SignalHarness Agent Trace Normalize

> SignalHarness Agent Trace Normalize is a paid API for AI agents from signalharness.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-13).

Normalizes and validates agent execution trace data provided as JSON, returning a structured analysis with warnings and evidence scope.

## Facts

- Endpoint: POST https://signalharness.ai/api/agent/services/agent_trace_normalize/invoke
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/signalharness-agent-trace-normalize-3b495fe7
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_r8SzFkPpd2aKmNEWGJu_g

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability signalharness-agent-trace-normalize-3b495fe7 -d '<json body>'
```

Example prompt: Can you normalize this agent trace JSON for me so it conforms to a standard schema and flag any warnings? Here's the raw trace data: {"agent_id":"abc123","steps":[{"action":"search","result":"ok"}]}.

## When to prefer this

Choose this endpoint when you need to normalize, validate, or canonicalize agent execution trace data into a standard schema — especially in agentic pipelines where trace formats vary across tools or frameworks. Prefer it over generic JSON validators when you specifically need agent-trace-aware normalization with structured warnings and an auditable on-chain payment receipt.

## Known failure modes

- Invalid or non-parseable JSON in request_json returns an error status
- request_json exceeding 65536 characters is rejected
- Malformed input may produce warnings rather than hard failures
- Payment failure via x402 protocol prevents execution
- Empty or too-short request_json (below 2 characters) is rejected by schema validation

## How this service works

Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.

## Output

Returns a JSON object containing a status field ('succeeded'), an analysis_json string with the normalized/parsed trace data, a list of warnings about the caller-supplied data, an evidence_scope label ('caller_supplied_data'), a service_id, and a full execution receipt including payment ID, network, asset address, latency, and a SHA-256 result hash.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "request_json": {
   "type": "string",
   "maxLength": 65536,
   "minLength": 2
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "replay": false,
  "result": {
   "warnings": [
    "Verify the caller-supplied data before relying on this result."
   ],
   "service_id": "agent_trace_normalize",
   "analysis_json": "{\"example\":\"schema-valid caller-supplied data\"}",
   "evidence_scope": "caller_supplied_data"
  },
  "status": "succeeded",
  "receipt": {
   "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
   "usage": [],
   "status": "succeeded",
   "network": "eip155:8453",
   "artifacts": [],
   "endedAtMs": 0,
   "latencyMs": 0,
   "paymentId": "example-payment",
   "receiptId": "example-receipt",
   "requestId": "example-request",
   "serviceId": "agent_trace_normalize",
   "executionId": "example-execution",
   "startedAtMs": 0,
   "amountAtomic": "5000",
   "resultSha256": "6d24534dbcb2e450d79112b200b1d95c445ea24a611b5e99d675314f3f5dea86",
   "serviceVersion": "1.0.0",
   "settlementReference": "0x0000000000000000000000000000000000000000000000000000000000000000"
  },
  "artifacts": [],
  "requestId": "example-request",
  "executionId": "example-execution"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/signalharness-agent-trace-normalize-3b495fe7/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from signalharness.ai](https://www.zero.xyz/host/signalharness.ai/llms.txt)