{"uid":"cap_pwMViEz4Q4wWZ9as1PRdO","slug":"clink-forge-nchs-births-and-general-fertility-rates-lookup-047b3e8e","name":"Clink Forge NCHS Births and General Fertility Rates Lookup","description":"Clink Forge raw data product 'auto-nchs-births-and-general-fertility-rates-united-states-lookup': pay-per-call government data with a provenance chain and an Ed25519 attestation on every response.","url":"https://api.clinkforge.com/v1/p/auto-nchs-births-and-general-fertility-rates-united-states-lookup","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","properties":{"type":{"const":"http"},"method":{"const":"GET"},"queryParams":{"type":"object","required":["id"],"properties":{"id":{"type":"string","maxLength":200}},"additionalProperties":false}}},"output":{"type":"object"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_KByCoLap1IZPas2wbP7cj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves NCHS (National Center for Health Statistics) birth counts and general fertility rate data for the United States by record ID, with cryptographic Ed25519 attestation on every response.","exampleAgentPrompt":"Pull the NCHS births and general fertility rates record with ID 'us-births-2020-total' from Clink Forge — I need the fertility rate figures with the cryptographic attestation so I can confirm the data came from official government sources.","exampleUseCases":[{"title":"Verify US fertility trends for research","prompt":"Get me the NCHS general fertility rate record for ID 'nchs-tfr-2019' from Clink Forge — I need the birth and fertility figures along with the Ed25519 attestation so I can cite verified government data in my demographic study."},{"title":"Automate natality data pipeline","prompt":"Fetch the NCHS births data record with ID 'nchs-births-state-2021' from Clink Forge for our automated public health dashboard — we need the provenance chain included so downstream systems can validate the source."},{"title":"Cross-check birth rate statistics","prompt":"I'm auditing our fertility rate figures — can you retrieve the NCHS record with ID 'nchs-gfr-2018' from Clink Forge and confirm the birth counts match what we have on file? The attestation signature will help us verify it's untampered official data."}],"resultDescription":"Returns structured birth count and general fertility rate data sourced from NCHS/CDC government records, accompanied by a cryptographic Ed25519 signature attesting to data provenance and integrity. The response includes the requested statistical record identified by ID, along with a full provenance chain.","failureModes":["Invalid or unknown record ID returns an error or empty result","Record ID exceeds 200-character limit and is rejected","Payment of $0.01 USDC not fulfilled via x402 protocol results in 402 Payment Required","Network timeout or service unavailability","Ed25519 attestation verification failure on client side if signature mismatch"],"whenToPreferThis":"Choose this endpoint when you need US birth and fertility rate statistics sourced directly from NCHS/CDC government data with cryptographic proof of provenance — ideal for research, auditing, or automated pipelines where data integrity and attestation matter. Prefer this over generic data APIs when you need pay-per-call access with no account or API key setup, and when cryptographic provenance (Ed25519 attestation) is required for compliance or trust verification.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:46:38.385Z","isFirstParty":false}