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Payment Quotes - Declared-bound Audit
x402
Payment Quotes - Declared-bound Audit is a paid API for AI agents from www.mahastrategies.com, paid per call via x402, $0.010098/call, status unknown (last checked 2026-10-15).
Compares integer-unit quote amounts against a caller-supplied price ceiling within a declared asset, network, and decimal frame — no signing, spending, or live payment execution.
Price / call$0.010098
Success—
StatusUnknown
How this service works
Compare quote integer-unit amounts with a caller price ceiling in one declared asset/network/decimal frame. Alternative quotes are not summed as expenditure; no signing or spending. Offline typed nonpersonal metadata only. Result retention: 24 hours; minimal receipt metadata: 90 days.
Output
Returns a per-quote comparison result indicating whether each quote's integer-unit amount falls within the declared maximum, along with bound-check status. Result data is retained for 24 hours; minimal receipt metadata is retained for 90 days. No signing, spending, or live network interaction occurs.
Example use cases
Pre-authorization quote ceiling check
“Before I approve any of these 8 vendor payment quotes, verify that none of them exceed 500000 integer units on Arbitrum (eip155:42161) for USDC with 6 decimals — this is public metadata, no actual payment.”
Budget guard for agent-initiated payments
“My agent collected 12 quotes for a service purchase on Polygon (eip155:137). Can you audit them against a maximum of 2000000 units for asset 0xA0b86991c6218b36c1d19d4a2e9eb0ce3606eb48 with 6 decimals and tell me which ones are within bound?”
Compliance audit of synthetic quote batch
“I have a batch of 20 synthetic payment quotes for the Base network and need to confirm none exceed 750000 units at 6 decimal places — flag any that breach the declared bound without executing anything.”
Technical details
Endpoint
POSThttps://www.mahastrategies.com/api/v1/verify/payment-quotes/declared-bound-audit?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need offline, non-signing validation that a set of payment quotes stays within a declared integer-unit ceiling on a specific EVM-compatible network and asset frame. It is ideal for pre-authorization checks, agent budget guards, or compliance audits where no actual payment execution, signing, or live on-chain interaction is desired. Prefer it over live payment endpoints when the goal is purely to compare declared amounts, and over generic validators when you need network- and asset-scoped decimal-aware bound checking.
Side effects
- Quote array exceeds 32 items — request rejected
- Invalid or unsupported network identifier (must be eip155:8453, eip155:42161, or eip155:137)
- Decimals value out of range (must be 0–18)
- nonpersonalMetadata must be true — request rejected if false or absent
- Missing required fields (assetRef, maximumAmountUnits, network) — validation error
- Malformed maximumAmountUnits string — parsing failure
- Result unavailable after 24-hour retention window
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| quotes | array | |
| network | string | |
| assetRef | string | |
| decimals | integer | |
| dataClass | string | |
| maximumAmountUnits | string | |
| nonpersonalMetadata | boolean |
Tags
x402
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