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Lumi Trades x402 Seller Verdict
x402
Lumi Trades x402 Seller Verdict is a paid API for AI agents from api.lumitrades.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).
Returns a one-label trust verdict (checks_passed, check_first, checks_failed, or no_data) for an x402 URL or seller domain, with evidence window, test-buy count, delivery history, and reason codes.
Price / call$0.01
Success—
StatusUnknown
How this service works
Use when an agent wants a one-label check before paying an x402 URL or seller domain: checks_passed, check_first, checks_failed or no_data, with as-of date, evidence window, conclusive test-buy count, last delivered/failed dates, reason codes, and evidence and appeal links. Same data and signing key as the free /v1/check. Observed on-chain payments appear as ranges only (unverified; no payer addresses or amounts). Not charged on bad input. Observations, not a guarantee.
Output
A JSON object with a 'kind' of 'lumi_verdict', a trust label (checks_passed, check_first, checks_failed, or no_data), an as-of timestamp, a human-readable label_text, a reason_code, next_update and stale_after timestamps, the number of conclusive test buys (n_conclusive), last_delivered_at and last_failed_at timestamps, an evidence window with date range and test-buy rule, data_age_seconds, observed on-chain payment ranges (unverified, no payer addresses or amounts), commercial_relationship array, reply_url for contact, and payment metadata for the $0.01 USDC charge.
Example use cases
Pre-payment seller safety check
“I'm about to pay an x402 endpoint at https://api.newvendor.io/v1/report — can you pull the Lumi trust verdict for that URL and tell me the label, reason code, and how many conclusive test buys they've had?”
Automated agent payment gating
“Before my agent pays any x402 seller, check their trust verdict on Lumi Trades — if the label isn't checks_passed, block the payment and show me the reason code and last failed date.”
Vetting an unfamiliar x402 domain
“I found a micropayment API at sells.cryptodata.io and I'm not sure if it's legit — what does Lumi Trades say about it? I want to know the label, evidence window, and when they last delivered successfully.”
Technical details
Endpoint
GEThttps://api.lumitrades.io/v1/verdict?utm_source=zero.xyzWhen to prefer
Use this endpoint when an AI agent needs a fast, low-cost ($0.01 USDC) binary trust signal about an x402 seller before committing a payment — especially when the agent has the seller's URL or domain and optionally the payTo address and quoted price. Prefer this over manual on-chain lookups or generic reputation checks because it incorporates actual paid test-buy evidence, delivery history, and a signed label that can gate automated payments.
Side effects
- 400 invalid_input — malformed or missing URL parameter
- 402 payment_required — x402 payment not settled correctly
- 409 idempotency_conflict or settlement_status_unknown — duplicate or ambiguous payment
- 429 rate_limited — too many requests
- 500 internal_error — server-side failure
- 502 invalid_verify_response or settle_http_error — upstream verification failure
- 503 stale_data, data_unavailable, or facilitator_unavailable — data too old or service temporarily down
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object | Errors: 400 invalid_input; 402 payment_required; 409 idempotency_conflict | settlement_status_unknown; 429 rate_limited; 500 internal_error; 502 invalid_verify_response | settle_http_error; 503 stale_data | data_unavailable | facilitator_unavailable. Details: GET /openapi.json (responses) or /.well-known/x402 (errors). |
Output
Schema · Response
{
"type": "json",
"example": {
"kind": "lumi_verdict",
"as_of": "2026-10-25T11:00:00Z",
"label": "checks_passed",
"payment": {
"asset": "USDC",
"payer": "0x12ab...89cd",
"amount": "0.01",
"network": "eip155:8453",
"transaction": "0x5f0c...e41a"
},
"reply_url": "https://lumitrades.io/contact/",
"label_text": "Delivered in recent checks",
"next_update": "2026-10-25T17:00:00Z",
"reason_code": "delivered_recently",
"stale_after": "2026-10-26T11:00:00Z",
"n_conclusive": 3,
"last_failed_at": null,
"evidence_window": {
"to": "2026-10-20",
"from": "2026-09-02",
"test_buy_rule_days": 14
},
"data_age_seconds": 600,
"last_delivered_at": "2026-10-20T09:12:00Z",
"commercial_relationship": [],
"observed_onchain_payments": {
"name": "Observed on-chain payments (unverified)",
"shown": true,
"last_payment": "within the last week",
"payments_30d": "100–999",
"payer_groups_30d": "10–99"
}
}
}Tags
x402
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