aid: sierra
name: Sierra
description: Sierra is an enterprise conversational AI platform co-founded by Bret Taylor that builds and
  operates customer-facing AI agents across chat, SMS, WhatsApp, email, voice, and ChatGPT. Its Agent OS
  includes Agent Studio for building agents, Ghostwriter for agent generation from SOPs and transcripts,
  Insights for analytics, an Agent Data Platform for personalization, Voice Agents, and Live Assist for human
  handoff. Sierra is enterprise sales-led with no self-serve public developer API; integrations and Agent
  SDK access are provisioned through customer engagements.
image: https://kinlane-productions.s3.amazonaws.com/apis-json/apis-json-logo.jpg
url: https://raw.githubusercontent.com/api-evangelist/sierra/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.19'
type: Index
access: 3rd-Party
position: Producer
tags:
- Agents
- AI
- Chat
- Conversational AI
- Customer Experience
- Customer Service
- Enterprise
- Voice
apis:
- aid: sierra:agent-os
  name: Sierra Agent OS
  description: Sierra Agent OS is the enterprise platform for building, deploying, and operating customer-facing
    AI agents. It includes Agent Studio, Ghostwriter, Insights, the Agent Data Platform, Voice Agents, and
    Live Assist. Sierra references an Agent SDK in product materials but does not publish a public API
    reference; access is provisioned through enterprise engagement.
  humanURL: https://sierra.ai/platform
  tags:
  - Agents
  - Conversational AI
  - Enterprise
  - SDK
  - Voice
  properties:
  - type: Documentation
    url: https://sierra.ai/platform
common:
- type: Website
  url: https://sierra.ai
- type: Blog
  url: https://sierra.ai/blog
- type: Customers
  url: https://sierra.ai/customers
- type: Pricing
  url: https://sierra.ai/contact
- type: TermsOfService
  url: https://sierra.ai/legal/terms-of-service
- type: PrivacyPolicy
  url: https://sierra.ai/legal/privacy-policy
- type: Support
  url: https://sierra.ai/contact
- type: GitHubOrganization
  url: https://github.com/sierra-ai
- type: LinkedIn
  url: https://www.linkedin.com/company/sierra-ai
- type: Login
  url: https://app.sierra.ai
- type: Features
  data:
  - name: Agent Studio
    description: Dashboard for building, configuring, optimizing, and managing customer-facing AI agents.
  - name: Ghostwriter
    description: Agent-building agent that generates production-ready agents from SOPs, transcripts, or
      plain English descriptions.
  - name: Insights
    description: Analytics suite covering conversation Explorer, proactive Monitors, multivariate Experiments,
      and tool-call Observability.
  - name: Agent Data Platform
    description: Integrates customer context, conversation history, and data warehouses for personalization.
  - name: Voice Agents
    description: AI agents deployable across voice, chat, SMS, WhatsApp, email, and ChatGPT channels.
  - name: Live Assist
    description: Seamless escalation and human-in-the-loop handoff from AI agents to live customer service
      reps.
- type: UseCases
  data:
  - name: Customer Service Automation
    description: Resolve customer support inquiries autonomously across channels.
  - name: Voice IVR Replacement
    description: Replace traditional IVR with natural conversational voice agents.
  - name: Subscription Retention
    description: Reduce subscription cancellations through proactive agent engagement.
- type: Customers
  data:
  - name: Rocket Mortgage
  - name: SoFi
  - name: Chime
  - name: Brex
  - name: Gap Inc.
  - name: SiriusXM
  - name: Wayfair
  - name: Sutter Health
  - name: Discord
  - name: Redfin
  - name: Rivian
  - name: ADT
  - name: CLEAR
  - name: Singtel
  - name: Tubi
- type: Integrations
  data:
  - name: Google Cloud
    description: Data connectivity and infrastructure partner.
  - name: Databricks
    description: Data warehouse and ML platform connector for agent context.
  - name: Snowflake
    description: Data warehouse connector for the Agent Data Platform.
  - name: Redis
    description: Real-time data and cache integration.
  - name: AWS
    description: Cloud infrastructure and data connector.
- type: Compliance
  data:
  - name: SOC 2
  - name: ISO 27001
  - name: ISO 42001
  - name: HIPAA
  - name: GDPR
  - name: EU AI Act
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
  url: https://apievangelist.com