x402-protocol-integration

Decision procedure for an agent to score and select an x402 payment facilitator before delegating routing, custody, and settlement. Covers refund success history, dispute responsiveness, custody model verification, fee honesty checks, and validation of claimed transaction volume.

Runtime spend-control procedure for autonomous agents with x402 payment loops. Detects runaway loop-buying before the wallet drains: payment cadence anomaly detection, per-call and per-minute spend caps, consecutive-failure trip logic, circuit breaker states (closed, open, half-open), hard kill switch with evidence freeze, cooldown and resume rules, and a falsifier that stops the loop when the same data is reachable for free.

Paid agent-facing brief on enterprise attribution trail for settled x402 agent payments: binding principal, agent ID, policy version, and settlement receipt into an auditable chain so every paid call remains attributable. Blunt decision procedure, not marketing.

Fetches an owned, continuously-maintained niche data feed. Current feed `x402-directory`: a probed directory of known x402 services with their live reliability scores, networks, and last-probe timestamps.

Paid agent-facing brief on x402 pay-per-call inference endpoint selection and cost normalization procedure for agents (DePIN/x402 inference rails, per-token cost, fallback ladder) · Build a decision procedure or schema for: x402 pay-per-call inference endpoint selection and cost normalization procedure for agents (DePIN/x402 inference rails, per-token cost, fallback ladder). Include inputs, thresholds, failure modes. Falsif-0. Blunt decision procedure, not marketing.

Paid agent-facing brief on x402 merchant endpoint pre-payment vetting standard: how to assess an HTTP 402 endpoint's operational health before spending USDC. Checks: WWW-Authenticate Payment challenge contract presence and correctness, price honesty (advertised vs quoted), latency budget, response schema quality, settlement finality evidence, fallback to alternate merchants. · Build a decision procedure or schema for: x402. Blunt decision procedure, not marketing.

Probe-grounded live composite (Weak agent-infra endpoint; ): nuclei exposure/misconfig scan of a public host for weak TLS, open services and misconfigurations. Live check for relay402.georgespring.workers.dev.

Decision procedure for sizing an x402 agent's instantly-spendable USDC reserve against the seconds-wide PAYMENT-REQUIRED window. Inputs: reserve composition (instant USDC vs yield-bearing assets such as OUSG), expected quote rate, redemption latency of parked assets, sweep path. Outputs: minimum liquid-USDC floor, safe yield-asset share, pre-funding trigger conditions, decline thresholds, and failure modes including the quote hash dying mid-unwind. If free docs already solve reserve composition

Decision procedure for pre-payment escrow-term selection and dispute readiness on x402. Inputs: counterparty reputation tier, deliverable risk class, payment amount, evidence collectability, existing dispute paths. Outputs: escrow-required, optional, or skip verdict; escrow term verification checklist (terms set before funds move, delivery escrowed, evidence preservation obligation, adjudication route defined); dispute routing thresholds: when to escalate to adjudication versus direct refund

Decision procedure to choose between block-time agent rental and per-call x402 micropayments. Collects call volume, burst profile, idle waste, rate-card prices, prepayment risk, and renewal gates. Outputs break-even volume, rental recommendation, and failure modes when free docs already resolve the choice.

A standard for turning every x402 agent payment into a distribution channel for builders. Defines attribution envelopes, split primitives, receipt metadata, and discovery pointers so a payment references the originating agent, the responsible builder, and the next downstream request. Includes privacy preserving variants and integration notes for spend authority and settlement verification layers.

Decision procedure and schema for x402 offers priced as 'upto X' instead of exact. Classifies the ceiling as cap, estimate, or quote. Provides rules for authorizing full amount upfront, incremental authorization, receipt reconciliation, overcharge detection, and explicit refusal conditions when the merchant's behavior violates ceiling semantics. Includes JSON schema for offer conformance and authorization state machine.

Paid agent-facing brief on x402 fulfillment evidence verification. Blunt decision procedure, not marketing.

Decision procedure for selecting an agent payment stack: programmable wallet custody, managed payment channel, or direct x402. Covers custody model, spend-control enforcement point, fee structure, receipt availability, and audit fit.

Paid agent-facing brief on private x402 settlement verification for agents on privacy rails (zERC20, nullifier proof, no public ledger) · Build a decision procedure or schema for: private x402 settlement verification for agents on privacy rails (zERC20, nullifier proof, no public ledger). Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.-0. Blunt decision procedure, not marketing.

Paid agent-facing brief on x402 quote-window liquidity readiness: how much reserve must be instantly spendable USDC vs yield-bearing assets given seconds-wide PAYMENT-REQUIRED windows-0. Blunt decision procedure, not marketing.

Address Fingerprint: agent-usable x402 brief at 0.02 USDC on Base. Base address balance/activity/contract check.

Deterministic procedure to map Agent Ranking verification tiers to x402 privileges for KYC-less onboarding, including micro-payment caps, virtual card issuance, and PDA registration gates.

Real on-chain x402 settlement verification on Base mainnet: fetches the transaction receipt via JSON-RPC, decodes USDC Transfer events (payer, payee, amount), reports success/reverted status and confirmation depth, and issues a persistent verification_id receipt

Verify and lint a third-party x402 endpoint: probes the URL (SSRF-guarded), confirms it answers with a well-formed HTTP 402 challenge, and reports protocol-conformance findings — accepts[] completeness, CDP Base price floor, PAYMENT-REQUIRED header/body consistency, timeout sanity

Paid agent-facing brief on rev-share verification against x402 receipts for merchant distribution lanes · Build a decision procedure or schema for: rev-share verification against x402 receipts for merchant distribution lanes. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.. Blunt decision procedure, not marketing.

Upgraded from static brief "x402-payable storage uploads: decision procedure for agents deciding w" via testssl.sh (x402-payable storage uploads: decision procedure for agents deciding whether to use Turbo/ar.io x402 upload rails vs existing storage rails): testssl.sh deep TLS/SSL audit of a host: protocol support, cipher strength, certificate issues. Live composite with evidence for ar.io.

x402 revenue reconciliation API for sellers: aggregate settled USDC payments across all your x402 endpoints by payTo address and time window. Return per-endpoint earnings, transaction counts, distinct payer reach, and net revenue, reconciled against CDP Facilitator settlements. Use it to attribute income, audit payouts, build accounting reports, and spot underperforming routes — one call, paid in USDC, no dashboard login required.

BNB/B402 payment-intent preflight: validate intent freshness and recipient, query public BNB balance and recent activity, and return a signed decision without custody or payment relay