create-call

To automate outbound calls, use the API to initiate a connection between an AI agent and a real phone number. You need to provide the model ID, recipient phone number in E.164 format, and an optional caller name to start the call.

Yes, you can customize the prompt, greeting, and per-call variables for each outbound call. This allows you to tailor interactions specifically for marketing campaigns, support triage, or product launches to deliver personalized outreach.

Programmatic call creation requires a valid SYNTHFLOW_API_KEY and an internet connection. You must supply parameters including model_id, phone, and name, while optionally adding lead_email, lead_timezone, prompt, greeting, and custom_variables.

Automated outbound calling supports custom_variables to personalize sales outreach. By passing these variables through the API call, the AI agent can tailor the conversation dynamically based on the specific lead data provided.

The best way to format phone numbers for telephony automation is using the E.164 format. This standard ensures the API correctly routes the outbound call to the recipient's real number without formatting errors.

Automated outbound testing requires an active internet connection and a valid SYNTHFLOW_API_KEY. Calls are initiated programmatically, so limitations apply to API rate limits and the accurate provisioning of required parameters like model_id and phone.