# Payment Quotes — Reference Integrity Map

> Payment Quotes — Reference Integrity Map is a paid API for AI agents from www.mahastrategies.com, paid per call via x402, $0.035071/call, status unknown (last checked 2026-10-23).

Validates declared replacement-quote parent links in a set of payment quotes, detecting missing IDs, circular references, and cross-offer/network frame violations without modifying or revoking any quote.

## Facts

- Endpoint: POST https://www.mahastrategies.com/api/v1/verify/payment-quotes/reference-integrity-map?utm_source=zero.xyz
- Price: $0.035071/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-23
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/payment-quotes-reference-integrity-map-78112008
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_rQ6gPw7QS1gA21A-wTRXa

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 payment-quotes-reference-integrity-map-78112008 -d '<json body>'
```

Example prompt: Can you check these payment quotes for any broken parent links, missing IDs, or cycles in the replacement chain? The data is synthetic and non-personal — just validate the reference integrity without changing anything.

## When to prefer this

Choose this endpoint when you need a purely offline, read-only structural audit of payment quote parent-link graphs — specifically for detecting missing IDs, cycles, and cross-offer/network frame inconsistencies — without triggering any quote lifecycle actions like revocation, refresh, or purchase. Ideal for pre-flight validation of quote batches before submission or debugging unexpected quote hierarchy errors.

## Known failure modes

- Empty or malformed quotes array returns a validation error
- quotes array exceeds 32 items triggers a size limit error
- dataClass not set to 'public' or 'synthetic' causes schema rejection
- nonpersonalMetadata not explicitly set to true causes request rejection
- Malformed quote objects missing required fields may produce incomplete integrity maps

## How this service works

Inspect declared replacement-quote parent links for missing IDs, cycles and cross-offer/network frames. Does not revoke, refresh or purchase any quote. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.

## Output

Returns a reference integrity map identifying: missing parent IDs in quote declarations, detected cycles in replacement chains, and cross-offer/network frame violations. No quotes are modified, revoked, or refreshed. Results are retained for 24 hours; minimal receipt metadata is kept for 90 days.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "quotes": {
   "type": "array",
   "maxItems": 32,
   "minItems": 1
  },
  "dataClass": {
   "enum": [
    "public",
    "synthetic"
   ],
   "type": "string"
  },
  "nonpersonalMetadata": {
   "type": "boolean",
   "const": true
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/payment-quotes-reference-integrity-map-78112008/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.mahastrategies.com](https://www.zero.xyz/host/www.mahastrategies.com/llms.txt)