{"access":{"authentication":{"format":"L402 {macaroon}:{proof_of_payment}","header":"Authorization","protocols":["L402","MPP"],"format_mpp":"Payment <base64url_json>"},"endpoint":"https://sats4ai.com/api/l402/place-call","method":"POST"},"content_type":"api","cover_url":"","description":"Place an automated phone call to any number worldwide. The call delivers a spoken message (text-to-speech) or plays an audio file URL. Send parameters as JSON:\n```\n{\n    \"phone_number\": \"+1234567890\",\n    \"message\": \"Hello, this is your reminder.\",\n    \"audio_url\": \"https://example.com/audio.mp3\"\n}\n```\nProvide either `message` (text to speak) or `audio_url` (URL to an audio file to play). If both are provided, `audio_url` takes priority.\n\nScam screening is in place: message content that impersonates a company or government, threatens or harasses the recipient, or solicits credentials or codes is flagged after payment, the call is NOT placed, and the payment is NOT automatically refunded; a human review can be requested via the docs page. Per-destination send limits apply.","name":"Phone Call"}