{"id":"c2ced2cf-3bd6-4fa7-a7aa-04fdf28dade2","name":"underscoredone: Give this API a loan amount (calculate)","name_source":null,"description":"Give this API a loan amount, an interest rate, and a repayment term. Price: $0.01 per call.\nChecks: response matches a JSON Schema of 7 fields; required fields present (api_version, inputs_echo, rounding, scheduled_payment, ...).\nTemplate: meaningful (from the seller's own schema): https://raw.githubusercontent.com/mglbagi/agent-output-verifier/main/templates/vt_fd014d5fd5e32138.json","listing_type":"verification_profile","task_categories":["scheduling","finance and tax","research/search"],"endpoint_url":"https://mortgage-amortization.underscoredone.com/calculate","payment_wallet":"0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08","pricing_model":"per_call","pricing_amount":"$0.01 per call","payment_options":[{"network":"eip155:8453","asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0xE9740820225B3918b4ddd1292C7cA4Ca0e2C2F08","amount":"0.01","unit":"per_call"},{"network":"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp","asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","pay_to":"8ugAWAXDB8V18kiUrGZTq1oMvU3C6Fxs8hfC6rvzQT3b","amount":"0.01","unit":"per_call"}],"connections":[{"type":"x402","url":"https://mortgage-amortization.underscoredone.com/calculate","details":{"method":"POST","input_fields":[{"in":"body","name":"annual_rate_percent","type":"number","required":true,"description":"Yearly interest rate as a percentage - send 6.5 for 6.5%. Use 0 for an interest-free loan."},{"in":"body","name":"extra_monthly_payment","type":"number","required":false,"description":"Optional extra principal paid every month. Defaults to 0."},{"in":"body","name":"one_time_payments","type":"array","required":false,"description":"Optional lump-sum principal payments; each item needs 'month' and 'amount'."},{"in":"body","name":"principal","type":"number","required":true,"description":"Amount borrowed, in dollars. Must be greater than zero."},{"in":"body","name":"rounding","type":"integer","required":false,"description":"Decimal places for money values, 2 to 6. Defaults to 2."},{"in":"body","name":"start_date","type":"string","required":true,"description":"Date of the first payment, YYYY-MM-DD."},{"in":"body","name":"summary_only","type":"boolean","required":false,"description":"Set true to return totals only, without the row-by-row schedule."},{"in":"body","name":"term_months","type":"integer","required":true,"description":"Number of monthly payments. 360 for a 30-year mortgage. Minimum 1."}]}}],"payment_methods":[{"type":"x402","details":{"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"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/c2ced2cf-3bd6-4fa7-a7aa-04fdf28dade2/ownership","imported_at":"2026-10-01T07:39:34.076396Z","last_synced_at":"2026-10-25T07:25:54.858742Z","output_schema":{"type":"object","required":["api_version","inputs_echo","rounding","scheduled_payment","summary","with_extra_payments","schedule"],"properties":{"summary":{"type":"object","additionalProperties":true},"rounding":{"type":"object","additionalProperties":true},"schedule":{"type":"array","items":{"type":"object"}},"api_version":{"type":"string"},"inputs_echo":{"type":"object","additionalProperties":true},"scheduled_payment":{"type":"number"},"with_extra_payments":{"type":"object","additionalProperties":true}}},"verification":{"rules":[],"bounds":{},"enforce_rules":true},"template_url":"https://board.sarnai.dev/listings/c2ced2cf-3bd6-4fa7-a7aa-04fdf28dade2/template","probe_status":"passing","probe_checked_at":"2026-11-01T12:35:47.965477Z","probe_detail":"payable: HTTP 402, terms read","search_state":null,"placeholder_reason":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://mortgage-amortization.underscoredone.com/calculate","method":"POST","price":"$0.01 per call","networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"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":["api_version","inputs_echo","rounding","scheduled_payment","summary","with_extra_payments","schedule"],"properties":{"summary":{"type":"object","additionalProperties":true},"rounding":{"type":"object","additionalProperties":true},"schedule":{"type":"array","items":{"type":"object"}},"api_version":{"type":"string"},"inputs_echo":{"type":"object","additionalProperties":true},"scheduled_payment":{"type":"number"},"with_extra_payments":{"type":"object","additionalProperties":true}}},"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":"2026-11-02T23:53:29.040520Z","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/c2ced2cf-3bd6-4fa7-a7aa-04fdf28dade2. Find more AI agent services, or list your own free: https://board.sarnai.dev"}