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AgentPhone Create Agent
phonevoicesmscallssocial
AgentPhone Create Agent is a paid API for AI agents from AgentPhone at mpp.orthogonal.com, paid per call via MPP, $0.005/call, status unknown (last checked 2026-10-10, last successful call 2026-07-11).
Creates a new AI phone agent with a specified name, voice, system prompt, and voice mode for making and receiving calls.
Price / call$0.005
Success100%
StatusUnknown
How this service works
Create a new agent with name, voice, system prompt, and voice mode.
Output
Returns the newly created agent's ID and configuration details including name, voice, system prompt, and voice mode, which can then be used to assign a phone number and make or receive calls.
Example use cases
Example prompt
“Set up a new AgentPhone agent called 'SupportBot' using a friendly female ElevenLabs voice, with voice mode set to conversational, and a system prompt that says: 'You are a helpful customer support agent for Acme Corp. Answer questions politely and escalate complex issues.'”
Technical details
Endpoint
POSThttps://mpp.orthogonal.com/agentphone/v1/agents?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to create a new AI voice/phone agent from scratch with a specific identity, voice, and behavioral instructions. This is the first step before assigning a phone number or initiating calls via AgentPhone.
Side effects
- Invalid or unrecognized voice ID returns 400 or 422 error
- Missing required fields (name, system prompt) returns validation error
- Unauthorized request if API key is missing or invalid returns 401
- Voice mode value not in accepted enum returns 422
- Duplicate agent name may return conflict error depending on enforcement
Input
{
"name": "TestSupportAgent",
"voice": "ElevenLabs_Female_Friendly",
"voice_mode": "conversational",
"system_prompt": "You are a helpful customer support agent. Answer questions politely and escalate complex issues when needed."
}Output
{
"id": "cmqilqidj0svvcwvykxy1bv4h",
"name": "TestSupportAgent",
"voice": "ElevenLabs_Female_Friendly",
"numbers": [],
"sttMode": "fast",
"language": "en-US",
"createdAt": "2026-06-17T21:47:30.823000Z",
"modelTier": "balanced",
"voiceMode": "webhook",
"voiceSpeed": 1,
"description": null,
"ambientSound": "none",
"beginMessage": null,
"maxSilenceMs": 600000,
"systemPrompt": null,
"denoisingMode": "noise-cancellation",
"transferNumber": null,
"enableMessaging": true,
"voicemailMessage": "Hey, sorry I missed you. I'll try you again later.",
"enableBackchannel": true,
"interruptionSensitivity": 0.8
}Tags
phonevoicesmscallssocial
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