Help Scout API
Help Scout REST API — programmatic access to conversations, mailboxes, customers, and teams in the email-first customer support platform, enabling agents to automate support workflows, respond to conversations, and sync customer data.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
SOC2 Type II. HIPAA BAA available. GDPR compliant with EU data residency. OAuth 2.0 with scopes. US and EU hosting options. Access tokens expire in 48 hours — short-lived. Enterprise security review available.
⚡ Reliability
Best When
You need to automate email-first customer support workflows for a team that values simplicity and a human-feeling inbox over complex ticketing systems.
Avoid When
You need complex ticket workflows, SLAs, or multi-channel support — Zendesk or Freshdesk have more sophisticated automation capabilities.
Use Cases
- • Agents auto-triaging incoming support conversations by analyzing content and assigning to appropriate team queues
- • AI-powered reply drafting — agents generating draft responses to common support questions for human agent review
- • Customer data enrichment — agents fetching customer conversation history from Help Scout to inform sales or onboarding workflows
- • SLA monitoring — agents querying conversation response times to identify at-risk conversations before SLA breach
- • Support ticket sync — agents keeping Help Scout conversations in sync with Jira, Linear, or GitHub Issues for bug tracking
Not For
- • Complex multi-channel support — Zendesk or Freshdesk handle phone, chat, and social alongside email more comprehensively
- • Enterprise ITSM workflows — Help Scout is optimized for customer support, not IT service management
- • Live chat as primary channel — Help Scout's chat (Beacon) is secondary; use Intercom or Crisp for chat-first support
Interface
Authentication
OAuth 2.0 client credentials (app ID + secret) for server-to-server integration. OAuth 2.0 authorization code for user-level access. Access tokens expire after 48 hours — implement refresh. Scopes control mailbox and customer access.
Pricing
15-day free trial. API access included in all plans. Mailbox and user limits vary by plan. Annual billing discounts available. No per-API-call pricing.
Agent Metadata
Known Gotchas
- ⚠ Access tokens expire after 48 hours — agents must implement token refresh using refresh token before expiry
- ⚠ Conversation vs Thread distinction — conversations are the container; threads are individual messages within
- ⚠ Help Scout Beacon (chat) uses a different API than the Mailbox API — separate docs and endpoints
- ⚠ Assigning conversations requires knowing mailbox ID and user ID — pre-fetch these before assignment operations
- ⚠ Webhook signature verification uses HMAC-SHA1 (not SHA-256) — verify against X-HelpScout-Signature header
Alternatives
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Scores are editorial opinions as of 2026-03-07.