{"uid":"cap_fWyy8h8t1En9K4Ta5_Xk8","slug":"dopaminedesk-mortgage-rates-api-047802f1","name":"DopamineDesk Mortgage Rates API","description":"Fetch the latest weekly US national mortgage-rate observations from FRED. This is not a personalized lender quote.","url":"https://ai-data-marketplace-1042299154756.us-central1.run.app/api/v1/mortgage_rates","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"state":{"type":"string","description":"Two-letter state code. Defaults to national average."}},"additionalProperties":true}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["success","source","source_url","fetched_at","note","observations","marketplace_metadata"],"properties":{"note":{"type":"string"},"source":{"type":"string"},"success":{"type":"boolean"},"fetched_at":{"type":"string"},"source_url":{"type":"string"},"observations":{"type":"array","items":{"type":"object","required":["series_id","observation_date","rate_percent"],"properties":{"series_id":{"type":"string"},"rate_percent":{"type":"number"},"observation_date":{"type":"string"}},"additionalProperties":true}},"marketplace_metadata":{"type":"object","required":["data_mode","billable","availability","source"],"properties":{"source":{"type":"string"},"billable":{"type":"boolean"},"data_mode":{"type":"string"},"availability":{"type":"string"}},"additionalProperties":true}},"additionalProperties":true}}}}},"responseSchema":{"type":"json","example":{"note":"US national weekly averages; not a personalized lender quote or state-specific offer.","source":"Federal Reserve Bank of St. Louis FRED","success":true,"fetched_at":"2026-08-07T07:32:35.529Z","source_url":"https://fred.stlouisfed.org/","observations":[{"series_id":"MORTGAGE30US","rate_percent":6.69,"observation_date":"2026-08-06"},{"series_id":"MORTGAGE15US","rate_percent":6.01,"observation_date":"2026-08-06"}],"marketplace_metadata":{"source":"Federal Reserve Bank of St. Louis FRED","billable":true,"data_mode":"live_source","availability":"operational"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_civLomRmYFyemVf3evjUX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current mortgage interest rates (30-year fixed, 15-year fixed, 5/1 ARM) for a given US state or national average","exampleAgentPrompt":"What are today's mortgage rates in California — specifically the 30-year fixed, 15-year fixed, and 5/1 ARM?","exampleUseCases":[{"title":"Home buyer comparing loan types","prompt":"I'm buying a house in Texas — what are today's mortgage rates for a 30-year fixed, 15-year fixed, and 5/1 ARM so I can compare my options?"},{"title":"Refinancing decision check","prompt":"Can you pull the current mortgage rates in New York so I can decide if now is a good time to refinance?"},{"title":"National average rate snapshot","prompt":"What is the national average mortgage rate right now across the 30-year fixed, 15-year fixed, and adjustable rate products?"}],"resultDescription":"A JSON object containing the date of the rates, the state (or 'national'), and current interest rates for three loan products: 30-year fixed, 15-year fixed, and 5/1 ARM, expressed as decimal percentages (e.g. 6.12).","failureModes":["Invalid or unrecognized state code returns an error or defaults to national average","Stale or unavailable rate data may return cached or placeholder values","Missing required query parameters may result in a 400 bad request","Service downtime or payment failure via x402 may result in 402 or 5xx errors"],"whenToPreferThis":"Use this endpoint when you need current US mortgage interest rates broken down by loan type (30-year fixed, 15-year fixed, 5/1 ARM) for a specific state or national average. It is ideal for real estate, personal finance, or home-buying AI agents that need a quick, pay-per-use rate lookup without a subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:46:02.961Z","isFirstParty":false}