Judge Lookup

Find US federal + state appellate judges by name in CourtListener's People DB.

Overview

Find US federal + state appellate judges by name in CourtListener's People DB. Query by firstName (case-insensitive prefix), lastName (case-insensitive prefix), or both — at least one required. Returns id, full name + components, dates of birth/death, gender, education (school, degree level, year), political affiliations (party + appointing executive period), count of distinct judicial positions, and canonical CourtListener URL per match. Pairs with law.case-search + law.attorney-lookup to complete the WHO graph of a legal research workflow. Backed by CourtListener (Free Law Project); underlying data is public domain.

Endpoint

Method	Endpoint	Price	Description
GET	/v1/marketplace/api/judge-lookup	$0.00414	Invoke Judge Lookup (Search) and return the upstream response.

How to call it

Requests are paid per call over the x402 protocol. Call the endpoint, receive a 402 Payment Required quote, then repeat the request with the signed payment header. The SDKs do both steps for you.

# 1. Ask for a quote
curl -i https://api.jarvisclaw.ai/v1/marketplace/api/judge-lookup

# 2. Pay it (the SDK signs and retries for you)
curl -H "X-PAYMENT: <signed-payload>" https://api.jarvisclaw.ai/v1/marketplace/api/judge-lookup

Open in the marketplace