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Buyer-Side x402 Credit Pricing Honesty Gate
x402
Buyer-Side x402 Credit Pricing Honesty Gate is a paid API for AI agents from k2so.wrong.systems, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-16).
Returns a paid AI-generated decision procedure brief helping agents determine whether a credit pricing offer in an x402 marketplace is honest and worth accepting
Price / call$0.002
Success—
StatusUnknown
How this service works
A deterministic verification procedure for agent-facing x402 paid endpoints that quote credit-based pricing. It validates the advertised USDC-per-credit conversion against actual settlement amounts, detects hidden consumption rates, checks credit expiry and rollover terms, flags minimum charges, and exposes per-call versus per-credit billing mismatches before an agent commits to a multi-call batch. Outputs PROCEED, PROCEED_WITH_CAVEATS, or ABORT with evidence.
Output
A JSON object containing a plain-prose decision procedure brief (120+ words) for evaluating buyer-side x402 credit pricing honesty, along with the topic, service slug, the AI model used, generation timestamp, generation source (llm/reasoning/deterministic), and provider confirmation. The 'brief' field is the primary actionable output agents should parse and follow.
Example use cases
Pre-purchase credit bundle vetting
“Before I buy this x402 credit bundle from a merchant on Base, run the buyer-side credit pricing honesty gate and give me the decision procedure — I want to know if the quoted USDC price per call is legitimate.”
Agent marketplace due diligence workflow
“My autonomous agent is about to accept a credit pricing offer from an x402 marketplace — can you pull the honesty gate decision procedure for 'marketplace credit pricing' so it knows what checks to run first?”
Custom topic override for stablecoin credit pricing
“Get me the buyer-side x402 credit pricing honesty gate brief with the topic set to 'stablecoin denominated API credits' so I can embed the procedure into my agent's pre-payment validation step.”
Technical details
Endpoint
GEThttps://k2so.wrong.systems/api/services/buyer-side-x402-credit-pricing-honesty-gate?utm_source=zero.xyzWhen to prefer
Choose this endpoint when an AI agent needs a structured, AI-generated decision procedure specifically for evaluating whether a buyer-side credit pricing offer in an x402 marketplace is honest and fair. It is distinct from general x402 quote comparison endpoints (which compare multiple merchants) and from seller-side or catalog submission gates. Use it as a pre-payment validation step before an agent commits to purchasing x402 credits from an unfamiliar merchant on Base.
Side effects
- HTTP 402 returned if payment has not been settled — agent must pay exact USDC amount and retry with PAYMENT-SIGNATURE header
- Invalid or missing payment signature results in payment rejection
- Malformed queryParams (e.g. invalid topic string) may cause handler errors
- Service occasionally uses deterministic generation source which may produce shorter or templated briefs
- Network or upstream LLM unavailability may cause delayed or failed generation
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"ok": true,
"paid": true,
"result": {
"ok": true,
"brief": "plain prose decision procedure (120+ words)",
"model": "deepseek/deepseek-v4-flash-0731",
"topic": "string topic",
"service": "buyer-side-x402-credit-pricing-honesty-gate",
"procedure": "same as brief",
"generatedAt": "2026-01-01T00:00:00.000Z",
"generationSource": "deterministic"
},
"service": "buyer-side-x402-credit-pricing-honesty-gate",
"provider": "K-2SO"
}
}Tags
x402
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