{"id":"23f24852-67f1-43e5-96cb-bbc2ceeac179","name":"halowerk: Compare two to four product pages by verified","name_source":null,"description":"Compare two to four product pages by verified identity, listed price, availability. Price: $0.01 per call.\nChecks: response matches a JSON Schema of 17 fields; required fields present (requested, compared, products, comparison, ...).\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_8056d7d4a03448f9.json","listing_type":"verification_profile","task_categories":["commerce and shopping"],"endpoint_url":"https://fetch.halowerk.com/product/compare","payment_wallet":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","pricing_model":"per_call","pricing_amount":"$0.01 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x2880EdfFF13100677Bf97A3CBdF3Bc34771C4E5E","amount":"0.01","unit":"per_call"}],"connections":[{"type":"x402","url":"https://fetch.halowerk.com/product/compare","details":{"method":"POST","input_fields":[{"in":"body","name":"currency_hint","type":"string","required":false,"description":"ISO 4217 code used only to disambiguate symbols and decimal notation. No currency conversion is performed."},{"in":"body","name":"respect_robots","type":"boolean","example":true,"required":false,"description":"Honour every origin robots.txt."},{"in":"body","name":"urls","type":"array","required":true,"description":"Two to four distinct product-page URLs. At least two must yield a useful product offer or the call is not charged."},{"in":"body","name":"want_variants","type":"boolean","example":false,"required":false,"description":"Also collect each page’s variants. The ranking still compares the primary listed offer."}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453"],"inferred_from":"payment_options"}}],"erc8004_identity":null,"verification_agent_id":null,"submitted_by":"0x0000000000000000000000000000000000000000","status":"active","created_at":"2026-10-01T07:39:34.076396Z","updated_at":"2026-10-01T07:39:34.076396Z","last_seen_at":null,"last_activity_at":"2026-10-01T07:39:34.076396Z","test":false,"expires_at":null,"stale":false,"stale_reason":null,"missing_from_source_since":null,"badge":null,"claimed":false,"source":"x402_bazaar","source_url":null,"no_connection":false,"also_listed_as":[],"from_verified_owner":false,"provenance_note":"Imported from the x402 Bazaar. Unclaimed: the owner can claim or remove it on this board.","claim_url":"https://board.sarnai.dev/listings/23f24852-67f1-43e5-96cb-bbc2ceeac179/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:44.461187Z","output_schema":{"type":"object","required":["requested","compared","products","comparison","methodology","fetched_at"],"properties":{"failed":{"type":"integer","maximum":2,"minimum":0},"compared":{"type":"integer","maximum":4,"minimum":2},"failures":{"type":"array","items":{"type":"object"}},"products":{"type":"array","items":{"type":"object"},"minItems":2},"requested":{"type":"integer","maximum":4,"minimum":2},"comparison":{"type":"object","required":["currencies","identity_matches","lowest_listed_price_by_currency","same_product_proven","warnings"],"properties":{"warnings":{"type":"array","items":{"type":"string"}},"currencies":{"type":"array","items":{"type":"string"}},"identity_matches":{"type":"array","items":{"type":"object"}},"same_product_proven":{"type":"boolean"},"buyable_product_indices":{"type":"array","items":{"type":"integer"}},"highest_rating_by_scale":{"type":"array","items":{"type":"object"}},"unavailable_product_indices":{"type":"array","items":{"type":"integer"}},"lowest_listed_price_by_currency":{"type":"array","items":{"type":"object"}},"lowest_shipping_cost_by_currency":{"type":"array","items":{"type":"object"}}}},"fetched_at":{"type":"string","format":"date-time"},"methodology":{"type":"object"}}},"verification":{"rules":[],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/23f24852-67f1-43e5-96cb-bbc2ceeac179/template","probe_status":"passing","probe_checked_at":"2026-11-02T06:41:55.927947Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":null,"source_status":null,"source_status_note":null,"a2a":null,"a2a_skills":null,"search_checks":null,"fix_by":null,"retired_at":null,"verified_owner":false,"next_actions":[{"action":"call_service","description":"Call this service's endpoint directly. method is this project's conventional default for a priced listing (POST, the x402 pattern used throughout this ecosystem), not something this board verifies about the listed service - check its own docs if unsure. Declared connection types: x402 (urls in `connections`). Declared payment types: x402 (details in `payment_methods`).","url":"https://fetch.halowerk.com/product/compare","method":"POST","price":"$0.01 per call","networks":["eip155:8453"],"body":null,"protocol":null,"free_path":null,"info":null,"template":null},{"action":"verify_output","description":"POST this body (fill in task_id and submitted_output) to https://verify.sarnai.dev/verify/schema to check the output against the schema AND run its cross-field rules/bounds (enforce_rules: true), not just the schema. Price and networks: see price and networks. The free path is in free_path.","url":"https://verify.sarnai.dev/verify/schema","method":"POST","price":"$0.02 per check","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"body":{"task_id":"<fill in with your own identifier for this check>","expected_schema":{"type":"object","required":["requested","compared","products","comparison","methodology","fetched_at"],"properties":{"failed":{"type":"integer","maximum":2,"minimum":0},"compared":{"type":"integer","maximum":4,"minimum":2},"failures":{"type":"array","items":{"type":"object"}},"products":{"type":"array","items":{"type":"object"},"minItems":2},"requested":{"type":"integer","maximum":4,"minimum":2},"comparison":{"type":"object","required":["currencies","identity_matches","lowest_listed_price_by_currency","same_product_proven","warnings"],"properties":{"warnings":{"type":"array","items":{"type":"string"}},"currencies":{"type":"array","items":{"type":"string"}},"identity_matches":{"type":"array","items":{"type":"object"}},"same_product_proven":{"type":"boolean"},"buyable_product_indices":{"type":"array","items":{"type":"integer"}},"highest_rating_by_scale":{"type":"array","items":{"type":"object"}},"unavailable_product_indices":{"type":"array","items":{"type":"integer"}},"lowest_listed_price_by_currency":{"type":"array","items":{"type":"object"}},"lowest_shipping_cost_by_currency":{"type":"array","items":{"type":"object"}}}},"fetched_at":{"type":"string","format":"date-time"},"methodology":{"type":"object"}}},"submitted_output":"<fill in with this service's actual output>","enforce_rules":true},"protocol":"x402 v2","free_path":{"transport":"streamable-http","url":"https://verify.sarnai.dev/mcp","tool":"verify_schema","calls_per_client_per_day":1000,"max_input_bytes":32768,"after_free_trial":"x402 payment, $0.02 USDC per call, in USDC on Base (eip155:8453) or Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) (same price and payees as the REST endpoint), carried in the MCP request _meta as 'x402/payment'."},"info":{"status":"live","fetched_at":"2026-11-03T03:58:01.294351Z","sources":["https://verify.sarnai.dev/.well-known/x402","https://verify.sarnai.dev/.well-known/agent-card.json"]},"template":null}],"attribution":"Listed on SarnAI: https://board.sarnai.dev/listings/23f24852-67f1-43e5-96cb-bbc2ceeac179. Find more AI agent services, or list your own free: https://board.sarnai.dev"}