{"uid":"cap_q6K5AGAmvyf0U3khzDWn1","slug":"bounty-engineer-agent-purchase-firewall-be19c9af","name":"Bounty Engineer Agent Purchase Firewall","description":"Machine-buyable infrastructure for autonomous agents: API cost routing, margin optimization, funding-rate data, webpage extraction, result verification, spend controls, retry planning, state, tender search and GitHub bounty intelligence.","url":"https://bounty-engineer-x402-prod.onrender.com/v1/agent-purchase-firewall?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"pay_to":{"type":"string"},"network":{"type":"string"},"resource":{"type":"string"},"buyer_key":{"type":"string"},"intent_id":{"type":"string"},"amount_usd":{"type":"number","minimum":0},"seller_origin":{"type":"string","format":"uri"},"max_amount_usd":{"type":"number","minimum":0},"allowed_networks":{"type":"array","items":{"type":"string"}},"daily_budget_usd":{"type":"number","minimum":0}}},"responseSchema":{"type":"json","example":{"ok":true,"mode":"agent_purchase_firewall","budget":{"approved_today_usd":0,"projected_today_usd":0.05},"decision":"allow","findings":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm__MZVvLfy6TDeU03Fk0GTB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Acts as a spend-control and decision gateway that approves or denies autonomous agent purchases by enforcing daily budget limits, network allowlists, and per-transaction amount caps before payment is executed.","exampleAgentPrompt":"Before my agent pays the seller at 0xABC...123 on base-sepolia for the webpage extraction resource, run it through the purchase firewall — my daily budget is $5.00 and the transaction is $0.01 USDC — let me know if it's approved.","exampleUseCases":[{"title":"Daily budget cap for agent fleet","prompt":"My autonomous agents are buying API calls throughout the day — before each purchase fires, check whether it's within a $10 daily budget and block anything that would push us over; the current purchase is $0.05 to seller https://api.example.com on the base network."},{"title":"Network allowlist enforcement","prompt":"My agent wants to pay 0xDEF...456 on polygon, but I only want it transacting on base and base-sepolia — run this $0.01 purchase through the firewall with allowed_networks set to base and base-sepolia and tell me if it should be allowed."},{"title":"Per-transaction max amount guard","prompt":"Before my agent spends anything, I want to make sure no single purchase exceeds $0.25 — check this $0.10 payment to seller https://bounty-engineer-x402-prod.onrender.com for intent id abc-987 against that max and return the decision."}],"resultDescription":"Returns a JSON object with a boolean 'ok' flag, the decision ('allow' or 'deny'), current budget tracking (approved_today_usd and projected_today_usd), the mode identifier 'agent_purchase_firewall', and an array of 'findings' detailing any policy violations or notes that influenced the decision.","failureModes":["Missing required fields (pay_to, network, resource) returns a validation error","amount_usd exceeding max_amount_usd returns a deny decision","Projected daily spend exceeding daily_budget_usd returns a deny decision","Network not in allowed_networks list triggers a deny","Invalid seller_origin URI format causes a parsing error","Service unavailable on Render cold start may cause timeout"],"whenToPreferThis":"Use this endpoint when an autonomous agent needs a policy enforcement layer before executing any payment — specifically when you need budget tracking across calls within a day, network allowlisting, and per-transaction max caps all evaluated together in a single gating call. Prefer it over ad-hoc client-side budget checks when you need a persistent, server-side record of approved spend and a structured allow/deny signal that the agent can act on directly.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:47:32.826Z","isFirstParty":false,"canonicalSlug":"bounty-engineer-agent-purchase-firewall-be19c9af"}