{"access":{"authentication":{"format":"L402 {macaroon}:{proof_of_payment}","header":"Authorization","protocols":["L402","MPP"],"format_mpp":"Payment <base64url_json>"},"endpoint":"https://sats4ai.com/api/l402/send-email","method":"POST"},"content_type":"api","description":"Send a single email to any address. No account or signup required. Flat rate: 200 sats/email.\n```\n{\n    \"to\": \"recipient@example.com\",\n    \"subject\": \"Hello from my agent\",\n    \"body\": \"Email body text (plain text, max 10,000 chars)\",\n    \"replyTo\": \"optional-reply@example.com\"\n}\n```\nSend without Authorization first to receive the invoice. Scam screening is in place: content that impersonates a company or government, threatens or harasses the recipient, or solicits credentials or codes is flagged AFTER payment, NOT sent, and the payment is NOT automatically refunded (HTTP 422); a human review can be requested — see https://sats4ai.com/docs.","name":"Email Sending"}