{"uid":"cap_bvTC1_CV80P7Wuysc5QdQ","slug":"rotary-agency-agify-name-to-age-prediction-api-feaeccd3","name":"Rotary Agency Agify – Name-to-Age Prediction API","description":"Free-source data APIs (100% margin, no proxy, $0.002/call): ...","url":"https://rotaryagency.uk/api/free/agify?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"varies":"endpoint-specific structured JSON"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_H0ZTr5Ulqo0qQnO7B7gta","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Predicts the likely age of a person based on their first name using the Agify.io dataset, proxied through Rotary Agency's x402 paywall.","exampleAgentPrompt":"What age does the name 'Oliver' typically predict? Use the Agify lookup to get the estimated age and the count of people sampled for that name.","exampleUseCases":[{"title":"Demographic profiling by name","prompt":"I have a list of customer first names and I want to know the predicted age for each — start with the name 'Margaret' and tell me what age Agify estimates and how many people that prediction is based on."},{"title":"Marketing segmentation by name age","prompt":"We're targeting our campaign at people likely to be over 40 — can you look up the predicted age for the name 'Barbara' to see if it fits our target demographic?"},{"title":"Data enrichment for user records","prompt":"I'm building a user profile for someone named 'Liam' and I'd like to enrich it with the statistically predicted age for that name — what does the Agify API return for it?"}],"resultDescription":"Returns a JSON object containing the input name, a predicted age (integer), and a count representing the number of data points the prediction is based on. Example: {\"name\": \"John\", \"age\": 53, \"count\": 12345}.","failureModes":["Missing or empty name parameter returns an error or null age","Obscure or very rare names may return a null age due to insufficient data","Payment failure via x402 prevents the call from completing","Rate limiting if quota is exceeded","Non-alphabetic or numeric name strings may return unexpected results"],"whenToPreferThis":"Use this endpoint when you need a quick, statistically-based age estimate from a first name alone and do not have other demographic signals available. It is ideal for lightweight data enrichment, demographic segmentation, or curiosity-driven lookups. Prefer this over building your own model when a simple probabilistic estimate is sufficient. Note that it proxies Agify.io, so if you have a direct Agify.io API key, that may be cheaper at scale.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-18T09:26:03.135Z","isFirstParty":false,"canonicalSlug":"rotary-agency-agify-name-to-age-prediction-api-feaeccd3"}