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nohumans.directory Listing Verdict
x402
nohumans.directory Listing Verdict is a paid API for AI agents from api.nohumans.directory, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Returns a pre-spend trust verdict (pay/caution/avoid) for a specific API listing based on probe history, payTo stability, and paid-delivery outcomes.
Price / call$0.005
Success—
StatusUnknown
How this service works
nohumans.directory pre-spend verdict for one listing: probe history, payTo age and stability, paid-delivery outcome, verified verb, and a pay/caution/avoid verdict with reasons.
Output
A JSON object containing the listing ID, a verdict enum ('pay', 'caution', or 'avoid'), a status string, an array of human-readable reasons explaining the verdict, and a verified_via field indicating the verification method used (or null if unverified).
Example use cases
Agent pre-spend safety check
“My agent is about to call a paid API it found on an agentic marketplace — can you check the nohumans.directory verdict for listing 9a8bf56d-2fc before it spends anything?”
Vetting a new x402 data provider
“I found an x402-gated API I want to integrate, listing ID 9a8bf56d-2fc — what does nohumans.directory say about its probe history and payTo stability? Is it safe to use?”
Automated trust gating in an agent workflow
“Before my orchestration agent routes any tasks to listing 9a8bf56d-2fc, check whether it gets a 'pay', 'caution', or 'avoid' verdict and return the reasons so I can decide whether to whitelist it.”
Technical details
Endpoint
GEThttps://api.nohumans.directory/v1/listings/9a8bf56d-2fc/verdictWhen to prefer
Use this endpoint when an AI agent needs to make a trust decision about a specific nohumans.directory listing before spending money on it. It is ideal for automated pre-spend gating in agentic workflows, especially when integrating unknown or newly discovered x402 API listings. Prefer this over manual research when you need a structured, machine-readable verdict with explicit reasons derived from real probe history and payment delivery outcomes.
Side effects
- Listing ID not found — returns an error or empty result for unknown UUIDs
- Insufficient probe history — verdict may be 'caution' due to lack of data rather than confirmed issues
- Stale probe data — verdict may not reflect very recent changes in listing behavior
- Network or payment errors — the endpoint itself costs $0.005 USDC via x402 so failed payment results in no response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| input | object |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| status | string | |
| reasons | array | |
| verdict | string | |
| listing_id | string | |
| verified_via | — |
Tags
x402
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