Your API key

After Stripe Checkout this page shows your key. Copy it; we do not send it by e-mail. You can reopen this page with the same session_id if you lose the tab.

Use it

Authorization: Bearer fx.<your key>

REST: https://facturx.orvel.dev/v1/... — MCP: https://facturx.orvel.dev/mcp. Examples: Quickstart, MCP.

Check usage: GET /v1/usage with the same header.

Manage billing

Paste the key to open the Stripe customer portal (upgrade, cancel, invoices, payment method).

Open customer portal