Built for agents. Open to humans.

Verify a claim.
Get the evidence.

Give your agent something it can check. Current public sources, traceable facts, and a clear account of what holds up.

From $0.10 per request · USDC via x402 · No subscription

Evidence PackILLUSTRATIVE

“Is the Lumen desk lamp
currently available?”

Mixed evidence

Two listings. Two different answers.
The conflict stays in the result.

Manufacturer listing“In stock and available to order.”

↗

Retailer listing“Discontinued and unavailable.”

↘

status: "mixed"Inspect example

Fictional example · No live verification

One request. An inspectable answer.REST / JSONSource provenancePay per requestExplicit uncertainty

From claim to evidence

A useful answer shows its work.

Every pack keeps the source material separate from the system’s interpretation.

01 / SOURCE

Search public sources relevant to your question. Keep the URL, publisher, and retrieval time.

02 / EXTRACT

Connect each extracted statement to the exact passage it came from. Preserve conflicting evidence.

03 / REASON

Get structured JSON with a status, cited facts, confidence, contradictions, and limitations.

An API your agent can use

Send a claim or question. Receive an x402 payment requirement. Authorize the quoted amount and receive your Evidence Pack.

POST /api/v1/verify

{
  "claim": "Does this company provide this service?",
  "url": "https://example.com",
  "tier": "standard"
}

No evidence is also an answer

Supported. Contradicted. Mixed. Insufficient evidence.
The result follows the evidence available.