HubSpot · Capability

HubSpot Marketing Transactional Email API — Single Send

HubSpot Marketing Transactional Email API — Single Send. 1 operations. Lead operation: Hubspot Send a Transactional Email. Self-contained Naftiko capability covering one Hubspot business surface.

Run with Naftiko HubspotSingle Send

What You Can Do

POST
Sendtransactionalemail — Hubspot Send a Transactional Email
/v1/marketing/v3/transactional/single-email/send

MCP Tools

hubspot-send-transactional-email

Hubspot Send a Transactional Email

Capability Spec

marketing-emal-single-send.yaml Raw ↑
naftiko: 1.0.0-alpha2
info:
  label: HubSpot Marketing Transactional Email API — Single Send
  description: 'HubSpot Marketing Transactional Email API — Single Send. 1 operations. Lead operation: Hubspot Send a Transactional
    Email. Self-contained Naftiko capability covering one Hubspot business surface.'
  tags:
  - Hubspot
  - Single Send
  created: '2026-05-19'
  modified: '2026-05-19'
binds:
- namespace: env
  keys:
    HUBSPOT_API_KEY: HUBSPOT_API_KEY
capability:
  consumes:
  - type: http
    namespace: marketing-emal-single-send
    baseUri: https://api.hubapi.com
    description: HubSpot Marketing Transactional Email API — Single Send business capability. Self-contained, no shared references.
    resources:
    - name: marketing-v3-transactional-single-email-send
      path: /marketing/v3/transactional/single-email/send
      operations:
      - name: sendtransactionalemail
        method: POST
        description: Hubspot Send a Transactional Email
        outputRawFormat: json
        outputParameters:
        - name: result
          type: object
          value: $.
        inputParameters:
        - name: body
          in: body
          type: object
          description: Request body (JSON).
          required: true
    authentication:
      type: bearer
      token: '{{env.HUBSPOT_API_KEY}}'
  exposes:
  - type: rest
    namespace: marketing-emal-single-send-rest
    port: 8080
    description: REST adapter for HubSpot Marketing Transactional Email API — Single Send. One Spectral-compliant resource
      per consumed operation, prefixed with /v1.
    resources:
    - path: /v1/marketing/v3/transactional/single-email/send
      name: marketing-v3-transactional-single-email-send
      description: REST surface for marketing-v3-transactional-single-email-send.
      operations:
      - method: POST
        name: sendtransactionalemail
        description: Hubspot Send a Transactional Email
        call: marketing-emal-single-send.sendtransactionalemail
        with:
          body: rest.body
        outputParameters:
        - type: object
          mapping: $.
  - type: mcp
    namespace: marketing-emal-single-send-mcp
    port: 9090
    transport: http
    description: MCP adapter for HubSpot Marketing Transactional Email API — Single Send. One tool per consumed operation,
      routed inline through this capability's consumes block.
    tools:
    - name: hubspot-send-transactional-email
      description: Hubspot Send a Transactional Email
      hints:
        readOnly: false
        destructive: false
        idempotent: false
      call: marketing-emal-single-send.sendtransactionalemail
      with:
        body: tools.body
      outputParameters:
      - type: object
        mapping: $.