Discover / api.querylines.com

QueryLines

Not checked

Surplus lines market data, per query. U.S. excess & surplus (E&S) insurance premium and policy-count statistics from state stamping office publications: time series, YoY summaries, and cross-state comparison. $0.10 single-state query, $0.50 compare, USDC on Base via CDP facilitator. Free discovery endpoints (/v1/coverage, /v1/lines), no API keys. Also an MCP server at /mcp.

x402
Base
USDC
Data

Checks: Not checked
In our index since: 14 Oct 2026

Endpoint

curl -i https://api.querylines.com
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.querylines.com

Questions

What payment terms does QueryLines advertise?

The listing advertises x402, Base and USDC. Check the seller's current payment challenge and authentication requirements before paying.

Where is QueryLines listed?

In x402-list.com. Superstables first indexed it on 14 Oct 2026.

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