Introduction

Court docket monitoring for AI agents across 2,150 US and Canadian courts. Pay per query. $0.99 USDC via x402. No accounts.

DocketLayer is a pay-per-query API that gives AI agents programmatic access to court docket monitoring across 2,150 courts — all 50 US state court systems, all US federal courts, and Canadian federal and provincial courts.

Your agent submits a case ID and court code, pays $0.99 in USDC via the x402 protocol, and receives structured JSON with change detection built in. No accounts. No subscriptions. No API keys. The payment is the authentication.

How it works

1. Submit

   Your agent makes a GET request to /v2/case with a case ID, court code, and optional last_checked timestamp.

2. Pay

   DocketLayer responds with HTTP 402. Your x402 client pays $0.99 in USDC on Solana automatically and retries the request.

3. Receive

   DocketLayer returns structured JSON — full case context and, if last_checked was supplied, a delta block showing every new filing since your last check.

What you need

• A Solana wallet funded with USDC
• The x402 client library configured for your agent
• A case identifier and court code for a covered court (US state, federal, or Canadian)

Endpoints

Endpoint	Method	Price	Description
GET /v2/case	GET	$0.99	Full case context with optional delta since last_checked
GET /v2/monitor	GET	$0.99	Lightweight change indicator — count and timestamp only
POST /v2/cases/batch	POST	$0.99 per case	Up to 50 cases in one call
GET /v2/wallet/keys	GET	$0.99	Current callback signing-key state
POST /v2/wallet/keys	POST	$0.99	Rotate callback signing key
GET /v2/wallet/deliveries	GET	$0.99	Callback delivery history
GET /v2/status	GET	Free	Coverage and system health
POST /v2/mcp	POST	Varies	MCP Streamable HTTP endpoint — 3 free tools, 4 paid tools

Quick links

Quickstart

Get your first query running in under 5 minutes

Authentication

How x402 payment works as authentication

Wallet setup

Create a Solana wallet and fund it with USDC

MCP server

Use DocketLayer directly from Claude and other AI agents