{"uid":"cap_sGR5kid3fWlYhQhek_5Pd","slug":"querylines-e-s-insurers-ranking-by-state-38159235","name":"QueryLines E&S Insurers Ranking by State","description":"Top insurers by U.S. excess & surplus (E&S / surplus lines) insurance premium for a state and period (month or year), ranked by premium. Aggregated from state stamping office publications with source attribution. $0.10 per query. Docs: https://api.querylines.com/openapi.json","url":"https://api.querylines.com/v1/insurers","method":"GET","headers":{},"bodySchema":{"type":"object","$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","required":["state","period"],"properties":{"state":{"type":"string","description":"Two-letter state code, e.g. FL"},"period":{"type":"string","pattern":"^\\d{4}(-\\d{2})?$","description":"Month (YYYY-MM) or year (YYYY)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"state":"FL","period":"2026-06","source":"FSLSO FL Monthly Premium Report, June 2026","insurers":[{"name":"UNDERWRITERS AT LLOYD'S, LONDON","rank":1,"premium":364780000,"policy_count":45221},{"name":"MS TRANSVERSE SPECIALTY INSURANCE COMPANY","rank":2,"premium":76410000,"policy_count":10323},{"name":"LEXINGTON INSURANCE COMPANY","rank":3,"premium":66690000,"policy_count":1480}],"data_as_of":"2026-06","report_date":"2026-06-30"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ogPOK4JqXUGEKa15JEOgM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the top U.S. excess & surplus (E&S) lines insurers ranked by premium for a given state and time period, sourced from state stamping office publications.","exampleAgentPrompt":"Who are the top excess and surplus lines insurers in Florida for 2023, ranked by premium? Pull the data from state stamping office records.","exampleUseCases":null,"resultDescription":"A ranked list of top U.S. E&S insurers for the specified state and period, including insurer names, premium amounts, rankings, and source attribution from state stamping office publications.","failureModes":["Missing required 'state' or 'period' query parameters returns a validation error","Invalid state code (not a recognized two-letter U.S. state abbreviation) returns an error","Period format not matching YYYY or YYYY-MM pattern returns a validation error","Data unavailable for a requested state/period combination returns an empty or error response","Payment not processed (x402 protocol failure) results in a 402 Payment Required response"],"whenToPreferThis":"Use this endpoint when you need a ranked list of E&S insurers by premium for a specific U.S. state and time period. Ideal for insurance market analysis, competitive intelligence on non-admitted carriers, or researching surplus lines market concentration. Prefer this over sibling endpoints when you need a point-in-time ranking rather than a time series or year-over-year comparison.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:38:13.743Z","isFirstParty":false}