{"title":"Agent Payments \u0026 Security","description":"\u003cp\u003eScriptMasterLabs PDF field guides covering agent payments and security.\u003c\/p\u003e","products":[{"product_id":"x402-protocol-guide","title":"x402 Protocol Guide","description":"\u003cp\u003e\u003cb\u003eFollow the HTTP 402 payment sequence and distinguish spending approval, settlement and API delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ex402 Protocol Guide is a 4-page PDF field guide. HTTP 402 payment challenges, caller approval and API delivery checks.\u003c\/p\u003e\u003cp\u003e• Follow the request, HTTP 402 challenge, payment, retry and delivery sequence.\u003c\/p\u003e\u003cp\u003e• Inspect asset, network, recipient, amount and the intended resource.\u003c\/p\u003e\u003cp\u003e• Keep spending authorization narrow and caller controlled.\u003c\/p\u003e\u003cp\u003e• Separate settlement evidence from correct, accepted API delivery.\u003c\/p\u003e\u003cp\u003eIncludes a quick-reference workflow and primary-source notes.\u003c\/p\u003e\u003cp\u003eEducational information only. Verify current official sources and your own circumstances. No trading return, ranking, citation, traffic or business outcome is guaranteed.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394569580849,"sku":"SML-X402-001","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/x402-protocol-guide.jpg?v=1789926116"},{"product_id":"agentic-payments-guide","title":"Agentic Payments Guide","description":"\u003cp\u003e\u003cb\u003eReview agentic payments through caller approval, payment requirements and accepted delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eAgentic Payments Guide is a 4-page PDF field guide. Caller-controlled spending, payment evidence and accepted delivery.\u003c\/p\u003e\u003cp\u003e• Autonomy is scoped: An agent needs an allowed purpose, asset, destination class, amount and time window.\u003c\/p\u003e\u003cp\u003e• Approval has levels: Low-risk payments may be automatic while new recipients or larger amounts require a person.\u003c\/p\u003e\u003cp\u003e• Verify the transaction: The execution layer should check the final encoded transaction, not only the agent's explanation.\u003c\/p\u003e\u003cp\u003e• Reconcile outcomes: Payment, service delivery and business acceptance are separate records.\u003c\/p\u003e\u003cp\u003eAction checklist: Write the delegation policy; Set tiered approval thresholds; Verify destination and chain; Limit approvals and balances; Log decision and transaction evidence; Review anomalies and revoke quickly.\u003c\/p\u003e\u003cp\u003eAutonomous payments add operational and financial risk; begin with small, bounded pilots.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394588094769,"sku":"SML-X402-010","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/agentic-payments-guide.jpg?v=1789926247"},{"product_id":"mcp-server-security-checklist","title":"MCP Server Security Checklist","description":"\u003cp\u003e\u003cb\u003eReview MCP server access, tool permissions, input handling and security boundaries.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMCP Server Security Checklist is a 4-page PDF field guide. Access control, tool permissions, input handling and security checks.\u003c\/p\u003e\u003cp\u003e• Treat tools as authority: Each tool exposes actions or data; descriptions do not replace enforcement.\u003c\/p\u003e\u003cp\u003e• Separate tenants and principals: Propagate verified identity and prevent one session from crossing data boundaries.\u003c\/p\u003e\u003cp\u003e• Validate every input: Schemas help, but servers must still enforce lengths, destinations, paths and business rules.\u003c\/p\u003e\u003cp\u003e• Constrain outputs: Secrets, internal errors and oversized untrusted content should not flow back unchecked.\u003c\/p\u003e\u003cp\u003eAction checklist: Inventory tool permissions; Require authentication where needed; Enforce server-side authorization; Protect against SSRF and path traversal; Redact secrets from logs and errors; Rate-limit and audit sensitive tools.\u003c\/p\u003e\u003cp\u003eSecurity depends on deployment context; perform threat modeling and independent testing.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394588127537,"sku":"SML-X402-011","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/mcp-server-security-checklist.jpg?v=1789926243"},{"product_id":"http-402-payment-required-explained","title":"HTTP 402 Payment Required Explained","description":"\u003cp\u003e\u003cb\u003eUnderstand HTTP 402 and distinguish a payment challenge from authorization and successful delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eHTTP 402 Payment Required Explained is a 4-page PDF field guide. HTTP status semantics, payment challenges and delivery verification.\u003c\/p\u003e\u003cp\u003e• The status is a signal: HTTP 402 indicates payment is required but does not by itself define asset, network or proof format.\u003c\/p\u003e\u003cp\u003e• Terms must be machine-readable: Price, recipient, expiry, resource and payment method need unambiguous representation.\u003c\/p\u003e\u003cp\u003e• Retry must be bound: Payment proof should attach to the intended request and resist replay or substitution.\u003c\/p\u003e\u003cp\u003e• Delivery is separate: A valid transfer does not prove that the requested resource was correct or accepted.\u003c\/p\u003e\u003cp\u003eAction checklist: Specify price and denomination; Bind terms to resource and expiry; Validate network and recipient; Protect proof against replay; Return deterministic errors; Record payment and delivery evidence.\u003c\/p\u003e\u003cp\u003eProtocol support and settlement finality vary by implementation and network.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394623385905,"sku":"SML-X402-002","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/http-402-payment-required-explained.jpg?v=1789926403"},{"product_id":"pay-per-call-api-guide","title":"Pay-Per-Call API Guide","description":"\u003cp\u003e\u003cb\u003eReview pay-per-call API pricing, request identity, delivery verification and failure handling.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ePay-Per-Call API Guide is a 4-page PDF field guide. Usage pricing, request identity, delivery checks and failure handling.\u003c\/p\u003e\u003cp\u003e• Define the billable unit: A request, record, token, second or successful response creates different incentives.\u003c\/p\u003e\u003cp\u003e• Quote before execution: Return enough terms for the buyer to evaluate price, scope and expiry.\u003c\/p\u003e\u003cp\u003e• Make retries idempotent: Network failures should not silently create duplicate charges or deliveries.\u003c\/p\u003e\u003cp\u003e• Issue useful receipts: Correlate quote, payment, request, response and acceptance status.\u003c\/p\u003e\u003cp\u003eAction checklist: Name the unit and included limits; Publish deterministic pricing; Use idempotency keys; Separate payment from acceptance; Document timeout and refund rules; Expose usage and receipt records.\u003c\/p\u003e\u003cp\u003eThis guide does not determine legal, tax, sanctions or money-transmission obligations.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394623877425,"sku":"SML-X402-003","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/pay-per-call-api-guide.jpg?v=1789926412"},{"product_id":"mcp-payments-guide","title":"MCP Payments Guide","description":"\u003cp\u003e\u003cb\u003eReview MCP payment boundaries, tool-call approval and verification of paid delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eMCP Payments Guide is a 4-page PDF field guide. Paid MCP tool calls, approval boundaries and delivery checks.\u003c\/p\u003e\u003cp\u003e• Discovery is not authorization: A tool description can advertise paid capability but should not grant spending permission.\u003c\/p\u003e\u003cp\u003e• Quote the exact invocation: Bind cost and scope to arguments, identity, expiry and expected output.\u003c\/p\u003e\u003cp\u003e• Keep policy outside the seller: The buyer or its delegated controller should enforce caps and allowed destinations.\u003c\/p\u003e\u003cp\u003e• Return structured evidence: Tool results should distinguish settlement, execution and accepted output.\u003c\/p\u003e\u003cp\u003eAction checklist: Declare paid behavior in tool metadata; Request a scoped quote; Apply buyer-side spend policy; Confirm recipient and network; Correlate payment with tool call; Return receipt and delivery state.\u003c\/p\u003e\u003cp\u003eMCP implementations differ; verify the active specification and host security model.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394623975729,"sku":"SML-X402-004","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/mcp-payments-guide.jpg?v=1789926415"},{"product_id":"usdc-micropayments-for-apis","title":"USDC Micropayments for APIs","description":"\u003cp\u003e\u003cb\u003eReview USDC API payments by network, asset, recipient, amount and settlement evidence.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eUSDC Micropayments for APIs is a 4-page PDF field guide. Network, asset, recipient, amount and settlement verification.\u003c\/p\u003e\u003cp\u003e• Network is part of the price: Fees, confirmation behavior, outages and bridge assumptions affect economics.\u003c\/p\u003e\u003cp\u003e• Precision must be explicit: Use canonical token addresses, units and decimal handling to avoid amount errors.\u003c\/p\u003e\u003cp\u003e• Settlement has states: Submitted, confirmed and economically final are different operational moments.\u003c\/p\u003e\u003cp\u003e• Accounting needs identity: Receipts should connect payer, quote, transaction and delivered resource.\u003c\/p\u003e\u003cp\u003eAction checklist: Allowlist chain and token contract; Normalize decimal conversion; Set confirmation policy; Model fees at low ticket sizes; Handle under\/overpayment; Export transaction-to-invoice records.\u003c\/p\u003e\u003cp\u003eDigital-asset use carries technical, regulatory and counterparty risk.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394624467249,"sku":"SML-X402-005","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/usdc-micropayments-for-apis.jpg?v=1789926420"},{"product_id":"ai-agent-wallet-safety-checklist","title":"AI Agent Wallet Safety Checklist","description":"\u003cp\u003e\u003cb\u003eReview agent-wallet spending limits, scoped approval and payment evidence.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eAI Agent Wallet Safety Checklist is a 4-page PDF field guide. Spending limits, scoped authorization and payment verification.\u003c\/p\u003e\u003cp\u003e• Use minimum authority: Separate operational funds from treasury and grant only the assets and networks required.\u003c\/p\u003e\u003cp\u003e• Policy must be enforceable: Natural-language instructions are not a substitute for transaction-level limits.\u003c\/p\u003e\u003cp\u003e• Simulate before signing: Decode destination, function, approvals and balance changes where the network supports it.\u003c\/p\u003e\u003cp\u003e• Design the kill switch: Revocation, key rotation and alert paths must work without the agent.\u003c\/p\u003e\u003cp\u003eAction checklist: Create a dedicated low-balance wallet; Set per-transaction and daily caps; Allowlist contracts and recipients; Block unlimited token approvals; Alert on policy denials; Test revocation and recovery.\u003c\/p\u003e\u003cp\u003eNo checklist removes private-key, smart-contract or chain risk.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394625515825,"sku":"SML-X402-006","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/ai-agent-wallet-safety-checklist.jpg?v=1789926423"},{"product_id":"api-monetization-with-x402","title":"API Monetization with x402","description":"\u003cp\u003e\u003cb\u003eReview an x402 API offer through payment requirements, delivery scope and truthful failure handling.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eAPI Monetization with x402 is a 4-page PDF field guide. Payment requirements, offer boundaries and paid-delivery checks.\u003c\/p\u003e\u003cp\u003e• Sell an outcome: A narrow, well-described response with predictable latency is easier to price than an undefined capability.\u003c\/p\u003e\u003cp\u003e• Publish complete terms: Include amount, asset, network, resource binding, expiry and fulfillment conditions.\u003c\/p\u003e\u003cp\u003e• Instrument the funnel: Measure challenges, paid retries, settlements, successful deliveries and repeat buyers separately.\u003c\/p\u003e\u003cp\u003e• Protect unit economics: Account for chain fees, facilitator cost, fraud, refunds, compute and support.\u003c\/p\u003e\u003cp\u003eAction checklist: Define the paid resource; Set a transparent unit price; Return a standards-aligned challenge; Verify proof idempotently; Measure accepted deliveries; Review margin by route.\u003c\/p\u003e\u003cp\u003eDemand and profitability are not guaranteed; validate customer willingness to pay.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394626007345,"sku":"SML-X402-008","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/api-monetization-with-x402.jpg?v=1789926429"},{"product_id":"ephemeral-credentials-for-ai-agents","title":"Ephemeral Credentials for AI Agents","description":"\u003cp\u003e\u003cb\u003eReview short-lived agent credentials, least privilege, expiry and revocation.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003eEphemeral Credentials for AI Agents is a 4-page PDF field guide. Scoped access, short-lived credentials, expiry and revocation.\u003c\/p\u003e\u003cp\u003e• Short life reduces exposure: A stolen credential with a narrow expiry limits the useful attack window.\u003c\/p\u003e\u003cp\u003e• Scope binds purpose: Credential permissions should identify resource, action, tenant and sometimes amount.\u003c\/p\u003e\u003cp\u003e• Issuance needs identity: The broker must authenticate the requesting agent or controller before minting access.\u003c\/p\u003e\u003cp\u003e• Revocation still matters: Compromise response cannot rely only on waiting for expiry.\u003c\/p\u003e\u003cp\u003eAction checklist: Inventory every agent secret; Move issuance behind an authenticated broker; Set minimal scopes and TTL; Avoid logging raw credentials; Rotate signing and issuer keys; Correlate issuance with every use.\u003c\/p\u003e\u003cp\u003eCredential design must match the actual threat model and identity infrastructure.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394626826545,"sku":"SML-X402-007","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/ephemeral-credentials-ai-agents.jpg?v=1789926436"},{"product_id":"x402-integration-checklist","title":"x402 Integration Checklist","description":"\u003cp\u003e\u003cb\u003eReview an x402 integration from HTTP challenge through payment verification and resource delivery.\u003c\/b\u003e\u003c\/p\u003e\u003cp\u003ex402 Integration Checklist is a 4-page PDF field guide. HTTP challenges, payment verification and resource-delivery checks.\u003c\/p\u003e\u003cp\u003e• Challenge precisely: Terms must be parseable and bound to the actual resource request.\u003c\/p\u003e\u003cp\u003e• Verify before work: Confirm proof, amount, asset, recipient and freshness before expensive execution.\u003c\/p\u003e\u003cp\u003e• Make fulfillment deterministic: The same valid paid request should not produce conflicting billing outcomes.\u003c\/p\u003e\u003cp\u003e• Observe every stage: Logs should distinguish quote, payment verification, execution and delivery acceptance.\u003c\/p\u003e\u003cp\u003eAction checklist: Choose supported network and asset; Create signed or integrity-protected terms; Add replay and idempotency controls; Test insufficient and expired payments; Return structured receipts; Run recovery and reconciliation drills.\u003c\/p\u003e\u003cp\u003eUse the current x402 specification; examples may change as the protocol evolves.\u003c\/p\u003e","brand":"SCRIPTMASTERLABS [Author]","offers":[{"title":"Digital PDF","offer_id":56394627318065,"sku":"SML-X402-009","price":29.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1008\/9385\/1953\/files\/x402-integration-checklist.jpg?v=1789926432"}],"url":"https:\/\/shop.scriptmasterlabs.com\/collections\/agent-payments-security.oembed","provider":"My Store","version":"1.0","type":"link"}