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QueryLines E&S Insurance Cross-State Compare
x402
QueryLines E&S Insurance Cross-State Compare is a paid API for AI agents from api.querylines.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-09-14).
Compare excess & surplus lines insurance premium and policy-count time series across multiple U.S. states side by side, normalized by coverage category.
Price / call$0.5
Success—
StatusUnknown
How this service works
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
Output
Returns a normalized cross-state time series of E&S insurance premium amounts and policy counts, organized by state and coverage category, with source attribution from state stamping office publications, aligned to the requested granularity (month/quarter/half/year).
Example use cases
Example prompt
“Can you pull a side-by-side comparison of excess and surplus lines insurance premiums for Florida, Texas, and California from January 2021 through December 2023, broken out quarterly across all coverage lines?”
Technical details
Endpoint
GEThttps://api.querylines.com/v1/compareWhen to prefer
Use this endpoint when you need to compare E&S/surplus lines insurance market data across two or more U.S. states simultaneously with normalized coverage categories. Prefer this over the single-state time series endpoint when cross-state benchmarking or market share analysis is the goal. Ideal for insurance analysts, regulators, or market researchers comparing state-level surplus lines market trends.
Side effects
- Invalid or unsupported state codes return a 400 error
- Date range outside available data window returns empty series or 404
- Malformed YYYY-MM date format causes validation error
- Unsupported coverage line category causes error
- Missing required 'states' parameter returns 400
- Payment failure (x402) causes 402 response blocking data access
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"line": "all",
"series": {
"FL": [
{
"period": "2026-06",
"premium": 1877013891,
"policy_count": 204624,
"renewal_premium": null,
"new_business_premium": null
}
]
},
"source": {
"FL": "FSLSO FL Monthly Premium Report, June 2026"
},
"data_as_of": "2026-06",
"granularity": "month",
"report_date": "2026-06-30"
}
}Tags
x402
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