Marketplace · API · x402

api.querylines.com/v1/carriers

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.

Endpoint	`https://api.querylines.com/v1/carriers`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~903 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0x16be07aec4d16e8ec9039d16e7049ee47834acd7
method	GET
last updated	2026-11-04T17:21:18.305Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.querylines.com/v1/carriers
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-313f93a3b99db5f4

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}