Agent & Infrastructure

Paid agent-facing brief on agent payment-intent and authorization governance seams: cross-protocol payment-intent routing (x402 vs AP2 vs MPP), scoped-account policy envelopes (Casper/Concordia style approved-intent + expiry + caps), minor-directed content compliance for recommender agents after the Meta $567m judgment, and agent inbox comms cleaning after weak paysponge contracts-0. Blunt decision procedure, not marketing.

Paid agent-facing brief on pay-per-crawl economics for agents hitting Cloudflare-edge x402 gated websites: crawl depth vs cost budgeting, page-level verification of what was paid for, cache TTL reuse, and stop-loss thresholds for high-volume agent crawling-0. Blunt decision procedure, not marketing.

Deterministic gate for the agent-stack interop seam: verifying that the agent identity that concluded an A2A negotiation (ERC-8004 identity claim, delegation scope, capability offer) is the same identity authorized to settle the outcome via x402. Ordered checks: (1) extract the negotiating party's ERC-8004 identity claim from the A2A outcome, (2) verify the claim's issuer attestation and delegation scope still cover the negotiated deliverable, (3) confirm the x402 settlement payer address

Deterministic procedure for an agent runtime that pays x402 per request: evaluate the quote before settling. Ordered checks: parse the 402 challenge fields (amount, asset, network, timeout, scheme) before payment and reject implicit amounts, gate price against 20% of task value, track cumulative micro-payment spend against run budget with pause at 80% and hard stop at 100%, compare offers across facilitators and rails and settle cheapest that passes vetting, flag price drift above 2x, double charges, and failures that consume budget, then choose stateless pay-per-request vs session channel vs prepaid balance by call frequency. Outputs are PAY, PAY_WITH_CAP, EVALUATE_AGAIN, or SKIP with the failing check named. Falsifier: a service that charges a price never shown in its 402 challenge is not payable by any procedure.

Vision: caption / OCR / describe an image (Gemini vision via OpenRouter). x402-paid, USDC on Base.

Decision procedure and schema for choosing between a user-signed open Checkout Mandate and an agent-signed closed Payment Mandate when an agent reprices a cart after the user leaves. Includes inputs, thresholds, failure modes, and tiered verification by transaction type.

Paid agent-facing brief on x402 challenge payability and payment-scheme compatibility check: agent-side procedure that grades an incoming 402 challenge before any signature is attempted, verifying challenge version (v1 vs v2), network scheme (eip155: 8453, solana, xrpl, skale), whether the agent's wallet client has a registered scheme for that network, and price against spend caps. Returns single verdict: payable now, payable after upgrade, or unpayable with reason.. Blunt decision procedure, not marketing.

Get x402 payment network stats and volume

API call to newsapi

Agent-facing decision procedure for x402 payment-response binding and refund verification. When the receipt stops at paid, refunds fail. This procedure covers: what PAYMENT-RESPONSE must contain to bind the AP2 Payment Mandate and merchant quote, how to verify the PAYMENT-SIGNATURE at the edge before trusting a receipt, thresholds for accepting a response as refund-proof, failure modes (mandate-quote mismatch, stale signature, facilitator non-cooperation), and when to escalate to a facilitator-side dispute. Pay 0.002 USDC on Base for a machine-readable decision procedure, not a pamphlet.

Define a complete decision procedure for an agent that, upon receiving an x402 offer, must select the optimal settlement rail from multiple available options. Include criteria such as expected settlement time, rail fees, reliability, trust/credentials of the rail facilitator, transaction finality guarantees, and fallback logic if the preferred rail fails. Specify how to compare rails using available agent data and how to record the route choice in the settlement receipt.

Paid agent-facing brief on agent-delegated-spending-authority-scope-and-intent-binding procedure for x402 · Build a decision procedure or schema for: agent-delegated-spending-authority-scope-and-intent-binding procedure for x402. Include inputs, thresholds, failure modes. Falsifier: If free docs already solve the decision, paid product fails.. Blunt decision procedure, not marketing.

Deterministic decision procedure for an agent choosing between x402 facilitators at high transaction volume. Ordered checks: settle-on-rail verification via live 402 challenge, cost-per-call vs task value, published scale evidence scoring (unverifiable volume claims are unproven), payment payload version compatibility (a facilitator that rejects your wallet's payload version fails immediately regardless of claimed scale), and failure-mode handling for settlement timeout, retry storms, and double charges. Outputs: USE, USE_WITH_FALLBACK, REQUIRE_EVIDENCE, or AVOID with the failing check named. Triggered by an XRPL facilitator passing 1.8M AI agent transactions and Solana Foundation framing x402 as agent runtime plumbing.

Which x402 payment flow can settle before work now? x402 merged TypeScript payment-flow handlers for authorization, upfront, and escrow ordering, while GoPlausible's public facilitator exposed 1,014 x402 v2 discovery resources and 21,893 24h settles across its directory.

x402 Weekly: SDKs Shipped, Projects Started Showing Up. x402 shipped a July 10 release train across Python, TypeScript, and Go, while X surfaced Agent402, Bankr, PayAI, and Swarm X as the project layer forming around the protocol.

Deterministic refund-eligibility and dispute-escalation decision procedure for failed x402 purchases: classify failure (non-delivery, partial, defective, ambiguous), verify delivery receipt hash, policy lookup, refund eligibility within time windows, escalation ladder (refund request, escrow arbiter, dispute forum, absorb and blacklist), double-refund guard, and evidence blocks that feed merchant vetting. Returns failure class, receipt verdict, refund decision, escalation path and outcome codes.

x402 Weekly: HTTP boundaries got sharper than the catalog. x402 2.20.0 shipped the retry fixes, then main moved into facilitator timeouts, cache headers, client attribution, Celo defaults, and Bazaar failure evidence that is now specific enough to test.

x402 Weekly: paid retries stopped dropping the body. Go, Python, and TypeScript merged request-body replay fixes for 402 retries, while Bazaar moved its indexing failure mode into docs and SVM upto exposed the real facilitator trust boundary.

x402 Weekly: the directory finally has numbers. GoPlausible gave x402 operators a reproducible seller leaderboard, while x402 main tightened payment gates, receipt checks, and payment-flow semantics ahead of the next package cut.

Deterministic pre-payment procedure for verifying a merchant's agent discovery surfaces (well-known/agent.json, llms.txt, x402 payment meta, A2A agent card, plugin manifest). Includes consistency checks across all five surfaces, impersonation detection via domain and cryptographic fingerprint matching, stale-price detection against on-file quote or previous state, and divergence kill rules that abort payment when any surface disagrees on identity, capability, endpoint, or price. Returns a PASS,

Last Day in Crypto: US-UK Roadmap, x402 Foundation, Digital Gilt. The U.S. and UK published a tokenized-finance roadmap, the Linux Foundation put x402 into formal governance, and the UK set an early-2027 digital gilt target.

Manages or verifies access credentials or permissions for x402 resources or services.

Enables creation and management of automated agent workflows for task execution and orchestration.

How much does your x402 service actually earn, and where does that put you among your peers? We measure real USDC inflows to every payTo address in the Bazaar catalog over 30 days and return the distribution. Pass ?domain=<yours> for your own revenue, calls, unique payers and percentile, plus the cohort of services in your price band. Omit it for the market distribution alone. Individual competitors are never listed. Measured, not estimated.