{ "x402Version": 2, "id": 8922, "slug": "8922", "resource": "https://arn-x402-payguard-payment-security.rajdeep-dutta-in.workers.dev/preflight", "description": "Agent Reliability Network: ARN x402 PayGuard provides x402 payment security for autonomous AI agents. Check the seller before you pay with payment preflight and payment-challenge validation. Returns ALLOW, CAUTION, or BLOCK.", "type": "http", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0xa7e1fe3744E3b6D55237d95cE575cAFe3b8abeCD", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "1000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "5vX2u7mkwhxpvQYNA7SqmauJjkcfnxETQ6tKVZphzKyM", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "1000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "bazaar": { "info": { "input": { "body": { "intended_spend_usdc": 0.03, "url": "https://paid-agent.example/api" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "authorization": { "mechanism": null, "status": "UNAVAILABLE" }, "checks": { "asset_address_valid": true, "canonical_usdc": true, "challenge_stable": true, "content_type_sane": true, "exact_payment": true, "http_402": true, "https": true, "no_unsafe_redirect": true, "pay_to_address_valid": true, "pay_to_safe_receiver": true, "positive_amount": true, "reachable": true, "reasonable_timeout": true, "resource_binding": true, "response_size_within_limit": true, "structured_response_sane": true, "supported_network": true, "within_intended_spend": true, "x402_v2": true, "x402_valid": true }, "decision": "ALLOW", "errors": [], "intended_spend_usdc": 0.03, "latency_ms": 42, "methodology": "live-security-v1", "network": "eip155:8453", "payTo": "0x1111111111111111111111111111111111111111", "payment_required": true, "quoted_price_atomic": "30000", "quoted_price_usdc": 0.03, "reachable": true, "reason_codes": [], "scheme": "exact", "simulation": { "failure": null, "status": "UNAVAILABLE" }, "warnings": [], "x402_valid": true, "x402_version": 2 }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "properties": { "authorization": { "additionalProperties": false, "description": "Optional unsigned payment authorization context to compare with the live x402 challenge", "properties": { "amount_atomic": { "description": "Atomic token amount the buyer is about to authorize", "pattern": "^[0-9]+$", "type": "string" }, "asset": { "description": "Payment asset the buyer is about to authorize", "type": "string" }, "network": { "description": "CAIP-2 payment network the buyer is about to authorize", "type": "string" }, "payTo": { "description": "Payment recipient the buyer is about to authorize", "type": "string" }, "payer": { "description": "Optional expected EIP-3009 authorization payer; distinct from a transaction relayer", "type": "string" }, "resource": { "description": "Seller resource the authorization is intended to purchase", "format": "uri", "type": "string" }, "transaction": { "additionalProperties": false, "description": "Optional unsigned Base eth_call input reused for transaction simulation and supported canonical USDC authorization decoding", "properties": { "data": { "description": "Non-empty hex calldata for the unsigned simulation", "pattern": "^0x(?:[0-9a-fA-F]{2})+$", "type": "string" }, "from": { "description": "Optional EVM caller address for eth_call", "type": "string" }, "to": { "description": "EVM call target; must match the challenged payment asset", "type": "string" }, "value": { "description": "Optional hexadecimal native-value quantity for eth_call", "pattern": "^0x(?:0|[1-9a-fA-F][0-9a-fA-F]*)$", "type": "string" } }, "type": "object" }, "valid_after": { "description": "Optional authorization valid-after Unix timestamp", "type": [ "integer", "string" ] }, "valid_before": { "description": "Optional authorization expiry Unix timestamp", "type": [ "integer", "string" ] } }, "type": "object" }, "intended_spend_usdc": { "description": "Optional maximum USDC amount the buyer intends to authorize", "exclusiveMinimum": 0, "type": "number" }, "url": { "description": "HTTPS URL of the x402 seller endpoint to inspect live", "format": "uri", "type": "string" } }, "required": [ "url" ] }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "additionalProperties": false, "properties": { "asset": { "type": [ "string", "null" ] }, "authorization": { "additionalProperties": false, "properties": { "mechanism": { "type": [ "string", "null" ] }, "status": { "enum": [ "VERIFIED", "MISMATCH", "UNAVAILABLE" ], "type": "string" } }, "required": [ "status", "mechanism" ], "type": "object" }, "checks": { "additionalProperties": false, "properties": { "asset_address_valid": { "type": "boolean" }, "canonical_usdc": { "type": "boolean" }, "challenge_stable": { "type": "boolean" }, "content_type_sane": { "type": "boolean" }, "exact_payment": { "type": "boolean" }, "http_402": { "type": "boolean" }, "https": { "type": "boolean" }, "no_unsafe_redirect": { "type": "boolean" }, "pay_to_address_valid": { "type": "boolean" }, "pay_to_safe_receiver": { "type": "boolean" }, "positive_amount": { "type": "boolean" }, "reachable": { "type": "boolean" }, "reasonable_timeout": { "type": "boolean" }, "resource_binding": { "type": "boolean" }, "response_size_within_limit": { "type": "boolean" }, "structured_response_sane": { "type": "boolean" }, "supported_network": { "type": "boolean" }, "within_intended_spend": { "type": [ "boolean", "null" ] }, "x402_v2": { "type": "boolean" }, "x402_valid": { "type": "boolean" } }, "required": [ "https", "reachable", "no_unsafe_redirect", "http_402", "x402_valid", "x402_v2", "exact_payment", "supported_network", "asset_address_valid", "canonical_usdc", "pay_to_address_valid", "pay_to_safe_receiver", "positive_amount", "reasonable_timeout", "resource_binding", "response_size_within_limit", "content_type_sane", "structured_response_sane", "challenge_stable", "within_intended_spend" ], "type": "object" }, "decision": { "enum": [ "ALLOW", "CAUTION", "BLOCK" ], "type": "string" }, "errors": { "items": { "additionalProperties": false, "properties": { "code": { "enum": [ "HTTPS_REQUIRED", "INVALID_URL", "SELLER_UNREACHABLE", "SELLER_TIMEOUT", "UNSAFE_REDIRECT", "UNSAFE_REDIRECT_CREDENTIALS", "HTTPS_DOWNGRADE", "REDIRECT_LOOP", "EXCESSIVE_REDIRECTS", "EXPECTED_402", "INVALID_X402_CHALLENGE", "UNSUPPORTED_X402_VERSION", "UNSUPPORTED_PAYMENT_SCHEME", "NETWORK_MISMATCH", "DUPLICATE_PAYMENT_REQUIREMENTS", "CONFLICTING_PAYMENT_REQUIREMENTS", "AMBIGUOUS_PAYMENT_OPTIONS", "INVALID_PAYMENT_ASSET", "NON_CANONICAL_USDC", "INVALID_PAY_TO", "UNSAFE_RECEIVER", "RECIPIENT_RPC_UNAVAILABLE", "INVALID_PAYMENT_REQUIREMENT", "INVALID_PAYMENT_TIMEOUT", "RESOURCE_BINDING_MISMATCH", "INVALID_CONTENT_TYPE", "RESPONSE_TOO_LARGE", "MALFORMED_JSON", "INVALID_RESPONSE_SCHEMA", "NETWORK_CHANGED", "ASSET_CHANGED", "PAY_TO_CHANGED", "PRICE_CHANGED", "PAYMENT_REQUIREMENTS_MUTATED", "PAYMENT_CHALLENGE_BODY_MISMATCH", "INVALID_INTENDED_SPEND", "PRICE_EXCEEDS_INTENT", "AUTH_AMOUNT_MISMATCH", "AUTH_ASSET_MISMATCH", "AUTH_NETWORK_MISMATCH", "AUTH_RECIPIENT_MISMATCH", "CALLDATA_PAYER_MISMATCH", "AUTH_RESOURCE_MISMATCH", "AUTH_WINDOW_UNSAFE", "TRANSACTION_SIMULATION_REVERTED", "TRANSACTION_SIMULATION_RPC_UNAVAILABLE", "SAFE_REDIRECT_FOLLOWED" ], "type": "string" }, "message": { "type": "string" } }, "required": [ "code", "message" ], "type": "object" }, "type": "array" }, "intended_spend_usdc": { "type": [ "number", "null" ] }, "latency_ms": { "minimum": 0, "type": "integer" }, "methodology": { "const": "live-security-v1", "type": "string" }, "network": { "type": [ "string", "null" ] }, "payTo": { "type": [ "string", "null" ] }, "payment_required": { "type": "boolean" }, "quoted_price_atomic": { "type": [ "string", "null" ] }, "quoted_price_usdc": { "type": [ "number", "null" ] }, "reachable": { "type": "boolean" }, "reason_codes": { "items": { "enum": [ "HTTPS_REQUIRED", "INVALID_URL", "SELLER_UNREACHABLE", "SELLER_TIMEOUT", "UNSAFE_REDIRECT", "UNSAFE_REDIRECT_CREDENTIALS", "HTTPS_DOWNGRADE", "REDIRECT_LOOP", "EXCESSIVE_REDIRECTS", "EXPECTED_402", "INVALID_X402_CHALLENGE", "UNSUPPORTED_X402_VERSION", "UNSUPPORTED_PAYMENT_SCHEME", "NETWORK_MISMATCH", "DUPLICATE_PAYMENT_REQUIREMENTS", "CONFLICTING_PAYMENT_REQUIREMENTS", "AMBIGUOUS_PAYMENT_OPTIONS", "INVALID_PAYMENT_ASSET", "NON_CANONICAL_USDC", "INVALID_PAY_TO", "UNSAFE_RECEIVER", "RECIPIENT_RPC_UNAVAILABLE", "INVALID_PAYMENT_REQUIREMENT", "INVALID_PAYMENT_TIMEOUT", "RESOURCE_BINDING_MISMATCH", "INVALID_CONTENT_TYPE", "RESPONSE_TOO_LARGE", "MALFORMED_JSON", "INVALID_RESPONSE_SCHEMA", "NETWORK_CHANGED", "ASSET_CHANGED", "PAY_TO_CHANGED", "PRICE_CHANGED", "PAYMENT_REQUIREMENTS_MUTATED", "PAYMENT_CHALLENGE_BODY_MISMATCH", "INVALID_INTENDED_SPEND", "PRICE_EXCEEDS_INTENT", "AUTH_AMOUNT_MISMATCH", "AUTH_ASSET_MISMATCH", "AUTH_NETWORK_MISMATCH", "AUTH_RECIPIENT_MISMATCH", "CALLDATA_PAYER_MISMATCH", "AUTH_RESOURCE_MISMATCH", "AUTH_WINDOW_UNSAFE", "TRANSACTION_SIMULATION_REVERTED", "TRANSACTION_SIMULATION_RPC_UNAVAILABLE", "SAFE_REDIRECT_FOLLOWED" ], "type": "string" }, "type": "array", "uniqueItems": true }, "scheme": { "enum": [ "exact", null ], "type": [ "string", "null" ] }, "simulation": { "additionalProperties": false, "properties": { "failure": { "type": [ "string", "null" ] }, "status": { "enum": [ "SUCCESS", "REVERTED", "UNAVAILABLE", "UNKNOWN" ], "type": "string" } }, "required": [ "status", "failure" ], "type": "object" }, "warnings": { "items": { "additionalProperties": false, "properties": { "code": { "enum": [ "HTTPS_REQUIRED", "INVALID_URL", "SELLER_UNREACHABLE", "SELLER_TIMEOUT", "UNSAFE_REDIRECT", "UNSAFE_REDIRECT_CREDENTIALS", "HTTPS_DOWNGRADE", "REDIRECT_LOOP", "EXCESSIVE_REDIRECTS", "EXPECTED_402", "INVALID_X402_CHALLENGE", "UNSUPPORTED_X402_VERSION", "UNSUPPORTED_PAYMENT_SCHEME", "NETWORK_MISMATCH", "DUPLICATE_PAYMENT_REQUIREMENTS", "CONFLICTING_PAYMENT_REQUIREMENTS", "AMBIGUOUS_PAYMENT_OPTIONS", "INVALID_PAYMENT_ASSET", "NON_CANONICAL_USDC", "INVALID_PAY_TO", "UNSAFE_RECEIVER", "RECIPIENT_RPC_UNAVAILABLE", "INVALID_PAYMENT_REQUIREMENT", "INVALID_PAYMENT_TIMEOUT", "RESOURCE_BINDING_MISMATCH", "INVALID_CONTENT_TYPE", "RESPONSE_TOO_LARGE", "MALFORMED_JSON", "INVALID_RESPONSE_SCHEMA", "NETWORK_CHANGED", "ASSET_CHANGED", "PAY_TO_CHANGED", "PRICE_CHANGED", "PAYMENT_REQUIREMENTS_MUTATED", "PAYMENT_CHALLENGE_BODY_MISMATCH", "INVALID_INTENDED_SPEND", "PRICE_EXCEEDS_INTENT", "AUTH_AMOUNT_MISMATCH", "AUTH_ASSET_MISMATCH", "AUTH_NETWORK_MISMATCH", "AUTH_RECIPIENT_MISMATCH", "CALLDATA_PAYER_MISMATCH", "AUTH_RESOURCE_MISMATCH", "AUTH_WINDOW_UNSAFE", "TRANSACTION_SIMULATION_REVERTED", "TRANSACTION_SIMULATION_RPC_UNAVAILABLE", "SAFE_REDIRECT_FOLLOWED" ], "type": "string" }, "message": { "type": "string" } }, "required": [ "code", "message" ], "type": "object" }, "type": "array" }, "x402_valid": { "type": "boolean" }, "x402_version": { "enum": [ 2, null ], "type": [ "integer", "null" ] } }, "required": [ "decision", "reason_codes", "checks", "warnings", "errors", "reachable", "payment_required", "x402_valid", "x402_version", "scheme", "network", "asset", "payTo", "quoted_price_atomic", "quoted_price_usdc", "intended_spend_usdc", "authorization", "simulation", "latency_ms", "methodology" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "bazaar" ], "sourceHost": "arn-x402-payguard-payment-security.rajdeep-dutta-in.workers.dev", "lastUpdated": "2026-09-14T19:56:35.532Z", "quality": { "calls30d": 3, "uniquePayers30d": 3, "lastCalledAt": "2026-09-14T19:56:35.171Z" }, "liveness": {}, "verified": false, "featured": false, "provider": { "host": "arn-x402-payguard-payment-security.rajdeep-dutta-in.workers.dev", "manifest_name": "arn-x402-payguard-payment-security.rajdeep-dutta-in.workers.dev", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-09-18T22:00:31.484Z" } }