Top U.S. P&C insurance carriers (NAIC groups and standalone companies, ranked together) by direct premiums written, for a state or countrywide and a line of business, with year-over-year change and CR4/CR10 concentration. Free annual NAIC Market Share Report -- top-125 countrywide / top-10 per state only; absence from results is not zero business. $0.10/query. Free: /v1/carriers/lines, /v1/carriers/sample.

Compare one P/C insurance carrier's market position across U.S. states for a line of business and year: per-state rank, direct premiums written, market share, and year-over-year change, plus a countrywide reference row. From the free annual NAIC Market Share Report -- top-10-per-jurisdiction truncation applies. $0.50 per query. Docs: https://api.querylines.com/openapi.json

One P/C insurance carrier's multi-year market-share trajectory (rank, direct premiums written, market share, year-over-year change) for a single line of business and scope (a jurisdiction or countrywide), plus member companies for NAIC group codes. From the free annual NAIC Market Share Report. $0.10 per query. Docs: https://api.querylines.com/openapi.json

Per-county FEMA disaster-declaration detail for one U.S. hurricane (declaration type/date, incident window, Individual/Public Assistance program flags). Events from the free NOAA/FEMA catastrophe dataset. $0.10 per query. Free discovery: /v1/cat/events, /v1/cat/sample. Docs: https://api.querylines.com/openapi.json

Surplus-lines (E&S) insurance premium in a hurricane's federally-declared counties: the latest annual county-level premium for a state, annotated by which counties FEMA declared for the storm, with the declared-zone total and its share of statewide. Florida. A current-book snapshot, not a pre-vs-post change. $0.50 per query. Free discovery: /v1/cat/events, /v1/cat/sample. Docs: https://api.querylines.com/openapi.json

How surplus-lines (E&S) insurance premium changed in a hurricane's federally-declared counties: the last full annual county-premium year before landfall vs the first full year after, with the rest of the state as a control. The 'E&S expands after a catastrophe' signal, quantified. Florida. Not an insured-loss measure. $0.50 per query. Free discovery: /v1/cat/events, /v1/cat/sample. Docs: https://api.querylines.com/openapi.json

Citizens Property Insurance Corporation (Florida's state-run residual property insurer) monthly policies-in-force by product line, optionally split by coverage (wind/ex_wind), region (tri_county/remainder), or filtered to a county. $0.10 per query. Free discovery endpoint: /v1/citizens/sample. Docs: https://api.querylines.com/openapi.json

Compare U.S. excess & surplus (E&S / surplus lines) insurance premium and policy-count series across multiple states side by side, on normalized cross-state coverage categories. Aggregated from state stamping office publications with source attribution. $0.50 per query. Docs: https://api.querylines.com/openapi.json

Surplus lines / E&S insurer eligibility from the NAIC Quarterly Listing of Alien Insurers (IID) -- nationwide under NRRA. Look up an insurer by name or alien ID (unknown insurer returns match: null, not a 404), or list the current roster of alien companies and Lloyd's syndicates with recent additions/removals. State-specific restrictions surface as data, never read as plainly eligible. $0.10 per query. Free sample: /v1/eligibility/sample. Docs: https://api.querylines.com/openapi.json

Florida insurance market-conduct enforcement: fines and license suspensions/revocations/denials against insurers, from the FL OIR annual Insurer Compliance Report. Filter by company name, action type, or year. $0.10 per query. Free sample: /v1/solvency/sample. Docs: https://api.querylines.com/openapi.json

County natural-hazard risk scores for a U.S. state and peril from the FEMA National Risk Index: Expected Annual Loss ($), EAL/Risk scores (0-100) and ratings, ranked by loss. composite or one of 18 hazards (wildfire, coastal flooding, hurricane, earthquake, ...). Public-domain FEMA data. $0.10 per query. Free discovery: /v1/hazard/sample. Docs: https://api.querylines.com/openapi.json

Surplus-lines (E&S) insurance premium alongside county natural-hazard risk: the latest annual county-level premium for a state joined to each county's FEMA National Risk Index expected annual loss for a peril, ranked by loss, with the share of statewide premium in the highest-hazard counties. Florida. $0.50 per query. Free discovery: /v1/hazard/sample. Docs: https://api.querylines.com/openapi.json

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

U.S. excess & surplus (E&S / surplus lines) insurance premium and policy-count time series by state, coverage line, and month, quarter, or year. Aggregated from state stamping office publications; every response cites its source report. Florida live, more states coming. $0.10 per query. Free discovery endpoints: /v1/coverage and /v1/lines. Docs: https://api.querylines.com/openapi.json

Year-over-year summary of U.S. excess & surplus (E&S / surplus lines) insurance premium and policy counts for a state and year: totals, prior-year comparison, and YoY percent change. Aggregated from state stamping office publications with source attribution. $0.10 per query. Docs: https://api.querylines.com/openapi.json

Admitted-market insurance rate filings (Texas TDI open data, Mississippi MID bulletins, California CDI rate-filing approvals, and Washington OIC annual reports) -- a leading indicator of surplus-lines (E&S) growth: large admitted-market rate hikes or withdrawals tend to push business into the E&S market. Filter by state, coverage line, insurer, minimum rate change, or date range. $0.10 per query. Free sample: /v1/rates/sample. Docs: https://api.querylines.com/openapi.json

The rate-activity index: admitted-market SERFF rate filings aggregated by state, coverage line, and period (month/quarter/year) -- filing_count, avg_rate_change_pct, share_increasing/share_decreasing, max_increase. Compare Texas vs Mississippi with states=TX,MS. Large admitted-market rate activity is a leading indicator of surplus-lines (E&S) growth. $0.10 per query. Free sample: /v1/rates/sample. Docs: https://api.querylines.com/openapi.json

The leading-indicator join: E&S premium (with YoY growth) aligned period-by-period against admitted-market SERFF rate-filing activity (filing_count, avg_rate_change_pct, share_increasing, max_increase) on the shared coverage category. `lag` shifts the rate series back N periods to test the relationship. TX only; category join is annual, line=all also monthly/quarterly. Two aligned data families, not a prediction. $0.50/query. Free: /v1/rates/sample. Docs: https://api.querylines.com/openapi.json

Is this insurance carrier in trouble? Look up a company's Florida receivership/liquidation record (FL DFS Rehab & Liquidation) plus its Florida market-conduct enforcement actions (FL OIR fines, license suspensions/revocations) in one dossier, or list receivership estates by status. Matched by name; unknown company returns empty arrays, not a 404. $0.10 per query. Free sample: /v1/solvency/sample. Docs: https://api.querylines.com/openapi.json

How is a Lloyd's of London syndicate performing? Look up a syndicate's capacity and Lloyd's estimated result forecast (worst/best case % on capacity, by year of account) plus its US surplus-lines eligibility, or browse syndicates by managing agent. Estimated results are Lloyd's own forecast ranges, not audited results. $0.10 per query. Free sample: /v1/syndicates/sample. Docs: https://api.querylines.com/openapi.json