Get an API key
Create an account, receive the starter grant, and inspect live billing state.
Open the sandbox
Explore API usage before choosing a plan.
Public pricing
Compare plans, rights, and commercial options.
Rate reference
Inspect the current meter-family rates for API calls.
What to check
- Starter grant and first API key path
- Meter class for the endpoints in your workflow
- Plan rights for internal use, redistribution, embedding, and external commercial workflows
- Budget alerts and hard caps
- AI-query and MCP quota posture
- Rate-limit and retry headers
- Current meter-family rates from GET /v1/billing/rates
Proof-of-concept prompt
Evaluation path
Map the workflow to endpoint families
Filing search, section extraction, facts, ownership, delivery events, and intelligence routes can have different cost and quota behavior.
Check live billing state
Agents should read billing and limits before high-fanout work. Do not infer plan posture from a cached note.
Read next
Plans and pricing
Detailed plan, meter, quota, and rights documentation.
Buyer pricing page
Public plan comparison and signup path.
Agent billing
Guardrails for agents that can spend money or exhaust quota.

