Get started

Introduction
Authentication and keys

Quick starts

HTTP quick starts
Your first Agent
Place a web Call
Receive events
Knowledge for an Agent

Calls

Web Calls
Phone numbers
The Call trace
Outcomes and analyses

Agents

Tools and the events channel
Policies
Knowledge bases
Prompt templates
Statecharts and Workflows

Integrations

Integrations

API reference

Overview
Error codes
Event types
Scopes
Contracts versions

Resources

Organization
Members
API keys
Agents
Agent versions
Policies
Tools
Providers and credentials
Phone numbers
Calls
Recordings
Webhooks
Usage
Compliance profile
Knowledge bases
Prompt templates
Prompt evaluations and experiments
Decision corpora
Workflows
Events
Jobs
Pre-call hooks
Outcomes and analyses
Call trace and analytics
Capture windows and reveal grants
Connectors
Connections
Tool bindings
Runs
MCP servers
Triggers
Messages
Notification rules
Contacts
Consent
Processes
Human tasks
Campaigns
Platform

RetryCause

A retry cause code.

A value of type string.

Reference: contracts 1.65.0. Phase 0 host: 1.65.0.

Vocal developer docs, built from released public artifacts only. The reference is generated from @vocalai/contracts 1.65.0; the serving state is as recorded on 2026-10-25.