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SendHQ

SendHQ is a cloud-based email infrastructure and communication platform for software developers, SaaS businesses, digital services and AI agents. The platform provides a unified workspace for sending and receiving email, managing verified sending domains, maintaining inboxes, and monitoring message delivery and sender reputation. Its transactional email services allow developers to integrate account notifications, password resets, verification messages, receipts and other application-generated emails through a REST API. SendHQ also supports marketing email operations, hosted email templates, batch sending, campaign management and reusable messaging workflows. The platform includes inbound email handling, message retention, conversation threading, private attachments, delivery-event tracking, bounce and complaint monitoring, recipient suppressions and domain authentication using SPF, DKIM and DMARC. Workspaces can manage multiple domains, sending identities, inboxes and scoped API credentials. SendHQ also provides developer tools, API documentation, command-line access and Model Context Protocol (MCP) integrations that enable compatible AI assistants and agents to work with email through authorised connections. Its dashboard provides visibility into messaging activity, email delivery outcomes and account usage. Developed by Vynara, SendHQ serves software teams, agencies, entrepreneurs and organisations seeking integrated email capabilities for applications, websites and automated workflows. Its services are offered through subscription plans with different sending capacities, domain allowances and features.

London, Greater London, United Kingdom

Official website

Machine-readable JSON profile

Business locations

  • SendHQ
    37 R Drive, Houston, TX, United States

Business nature

Primary business nature
Not provided
Customer market
Not provided

Operating hours

Hours not provided.

Categories

  • SaaS platforms (primary)
  • Email marketing
  • Marketing automation

Services

  • Scale Transactional
  • SendHQ Email API — Workspace-scoped API for expected outbound email, inbound replies, verified domains, hosted templates, suppressions, and delivery events.
  • Starter Transactional

Products

Service areas

  • SendHQ provides online transactional and marketing email infrastructure, developer APIs, verified sending-domain management, inbound email services, deliverability monitoring and AI-agent email integrations to software developers, businesses and technology teams internationally. Services are deliver

Public contacts

Declared AI capabilities

  • Online support — Detected from public website navigation or discovery metadata.
  • Public API — Detected from public website navigation or discovery metadata.

Directory status

Registry verification: Not Registry Verified

Directory score: 100

Public source evidence