{"uid":"cap_HwEN0OEqokCQedXEJ_FAf","slug":"saylor-innovations-amateur-radio-callsign-lookup-0de732b5","name":"Saylor Innovations Amateur Radio Callsign Lookup","description":"US amateur radio callsign lookup - licence class, status, grant and expiry dates, licensee name and grid square from the FCC database","url":"https://saylorinnovations.com/api/radio/callsign/:call?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o5tA_htsTZErreWa7RhGP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up a US amateur radio callsign in the FCC database and returns licence class, status, grant/expiry dates, licensee name, and grid square","exampleAgentPrompt":"Can you look up the amateur radio callsign W6ABC for me and tell me the licence class, whether it's active, the licensee's name, expiry date, and grid square from the FCC database?","exampleUseCases":[{"title":"Verifying a ham radio licence before a contact","prompt":"I just made contact with someone using callsign KD9XYZ — can you pull up their FCC licence details for me, including their name, licence class, and whether it's currently active?"},{"title":"Checking licence expiry for renewal planning","prompt":"Can you look up my callsign W2PQR in the FCC database and tell me when my amateur radio licence expires so I know when to renew?"},{"title":"Finding a club member's grid square for contest logging","prompt":"I need the Maidenhead grid square for ham radio callsign N5TRS — can you grab that from the FCC database along with their licence class?"}],"resultDescription":"Returns the FCC licence class (e.g. Technician, General, Extra), current licence status (active/expired), grant date, expiry date, licensee name, and Maidenhead grid square for the queried callsign.","failureModes":["Callsign not found in FCC database — returns error or empty result","Invalid callsign format supplied — may return an error","FCC database temporarily unavailable — upstream timeout or error","Callsign belongs to a cancelled or revoked licence — returns status accordingly"],"whenToPreferThis":"Use this endpoint when you need authoritative FCC data on a specific US amateur radio callsign, including licence class, validity, holder identity, and location grid square. Prefer this over general web searches when you need structured, machine-readable licence data for verification, logging, or enrichment purposes.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-17T12:39:10.307Z","isFirstParty":false,"canonicalSlug":"saylor-innovations-amateur-radio-callsign-lookup-0de732b5"}