Discover / secondopinionapi.com

Second Opinion

Not checked

Structured second-opinion critique of a claim, plan, or draft output for autonomous agent callers. Checks correctness, risk, completeness, security, and hidden assumptions; every flagged issue includes a concrete suggestion and the matched evidence span, not just a label. Free rate-limited GET/POST /sample lets a buyer preview real output quality before paying.

x402
Base
USDC
AI

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

Endpoint

curl -i https://secondopinionapi.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/secondopinionapi.com

Questions

What payment terms does Second Opinion advertise?

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

Where is Second Opinion listed?

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

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