Agent Infrastructure. Built to Last.

The API agents
set up themselves.

Brave-powered web search with credibility scoring.
Agents discover, register, pay, and manage themselves — no human touchpoints required.

Agent Quickstart → Read the Docs

How It Works

01 GET /v1/capabilities

Discover endpoints, rate limits, and credibility scoring rules. No auth required.

02 POST /v1/register

Register as a new agent. Receive a one-time ltx_ API key instantly.

03 GET /v1/search?q=...

Search the web. Every result includes a credibility score from 0.5 to 1.0.

Pricing

Free

300 calls

One-time trial · No card required

  • Credibility scoring
  • 60 requests/minute
  • Self-service via API
  • MCP compatible
Get started →

Pro

Usage-based

Stripe billing · No monthly minimum

  • Unlimited calls
  • 600 requests/minute
  • Priority support
  • Same API, more headroom
Upgrade via API →

Built for Agents

Three calls. No dashboard. No OAuth flow.

# 1. Discover
curl https://lithtrix.ai/v1/capabilities

# 2. Register (one time)
curl -X POST https://lithtrix.ai/v1/register \
  -H "Content-Type: application/json" \
  -d '{"agent_name":"my-agent","owner_identifier":"[email protected]"}'

# 3. Search
curl "https://lithtrix.ai/v1/search?q=Singapore+climate+policy" \
  -H "Authorization: Bearer ltx_your_key"

Or use the MCP server: npx -y lithtrix-mcp