# Semantil API

Use Semantil to discover companies, search the catalog, enrich domains, and find lookalikes.

## Sources of truth

- API contract: https://docs.semantil.com/openapi.yaml
- Full documentation: https://docs.semantil.com/llms-full.txt
- Current products and credit units: https://semantil.com/api/products

## Rules

- Authenticate with Authorization: Bearer YOUR_API_KEY.
- Use one API key per integration.
- Set max_credits on enrichment requests when the caller provides a budget.
- Treat the OpenAPI contract and live product catalog as authoritative.
- Never put API keys in URLs, source control, logs, or documentation search.