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Retell offers 1 model through Lava’s AI Gateway, supporting Phone Calls. Authentication uses Authorization: Bearer. See the Retell API docs for provider-specific parameters.
Supports both managed API keys (from Lava) and BYOK mode.

Quick Start

const response = await fetch('https://api.lavapayments.com/v1/forward?u=https%3A%2F%2Fapi.retellai.com%2Fv2%2Fcreate-phone-call', {
  method: 'POST',
  headers: {
    'Content-Type': 'application/json',
    Authorization: `Bearer ${forwardToken}`,
  },
  body: JSON.stringify({
    agent_id: 'your_agent_id',
    customer_number: '+14151234567',
  }),
});

Phone Calls

Target URL: https://api.retellai.com/v2/create-phone-call
Content Typeapplication/json
StreamingNo
ModelInput / minuteOutput / minute
retell-phone-callFree$0.07

Next Steps