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Create an SMTP API token

One step with HubSpot. We can help you get access.

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Create an SMTP API token

with HubSpot
Works with AI assistants

Use HubSpot: its Transactional Single Send SMTP Tokens API lets you create an SMTP API token in a single step (POST /marketing/transactional/2026-09/smtp-tokens). HubSpot also has an MCP server, so an AI assistant like Claude or ChatGPT can do it for you. capabilities.work can help you get signed up and connected.

  • How do I get credentials to send transactional email through HubSpot's SMTP API?
  • Can I have contacts created automatically for people I email via SMTP?
Say it to your AI assistant
  • Create an SMTP API token for campaign {campaignName}.
  • Generate an SMTP token named {campaignName} and set contact creation to {createContact}.
For your developer

POST /marketing/transactional/2026-09/smtp-tokens in Transactional Single Send SMTP Tokens API. Full spec on APIs.io.

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