Postmark

Postmark Domains API

The Domains API API from Postmark — 6 operation(s) for domains api.

GitHub OpenAPI

Operations 9

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /domains List sending domains · Postmark List Domains #
Ask an LLM
“Which domains have I added to my Postmark account?”
“Can I page through all my sending domains a few at a time?”
Tell an agent
List the first {count} domains on my account.
Show my domains, skipping the first {offset}.
POST /domains Add a sending domain · Postmark Create a Domain #
Ask an LLM
“How do I add a new domain so I can send email from it?”
“Can I set a custom Return-Path when I register a domain?”
Tell an agent
Add the domain {name} to my account.
Register domain {name} with Return-Path domain {return_path}.
GET /domains/{domainid} Get a domain's DNS and verification status · Postmark Get a Domain #
Ask an LLM
“What DKIM and Return-Path records does one of my domains need?”
“Has my domain's DNS verification gone through yet?”
Tell an agent
Get the details for domain {domainid}.
Show the DNS records and verification state of domain {domainid}.
PUT /domains/{domainid} Change a domain's Return-Path · Postmark Update a Domain #
Ask an LLM
“How do I change the Return-Path on a domain I already added?”
“Can I update an existing domain's custom bounce domain?”
Tell an agent
Set the Return-Path of domain {domainid} to {return_path}.
Update domain {domainid} with a new Return-Path domain.
DELETE /domains/{domainid} Remove a sending domain · Postmark Delete a Domain #
Ask an LLM
“How do I remove a domain I no longer send from?”
“Can I delete a domain from my account entirely?”
Tell an agent destructive · confirm first
Delete domain {domainid}.
Remove domain {domainid} from my account permanently.
PUT /domains/{domainid}/verifydkim Verify a domain's DKIM record · Postmark Request DNS Verification for DKIM #
Ask an LLM
“I added the DKIM TXT record — how do I get it checked?”
“Can I trigger a DKIM DNS check for my domain on demand?”
Tell an agent
Check the DKIM DNS record for domain {domainid}.
Request DKIM verification on domain {domainid}.
PUT /domains/{domainid}/verifyreturnpath Verify a domain's Return-Path CNAME · Postmark Request DNS Verification for Return-Path #
Ask an LLM
“How do I confirm my Return-Path CNAME is set up correctly?”
“Can I ask for the custom Return-Path DNS to be re-checked?”
Tell an agent
Verify the Return-Path DNS for domain {domainid}.
Run a Return-Path CNAME check on domain {domainid}.
POST /domains/{domainid}/verifyspf Verify a domain's SPF record · Postmark Request DNS Verification for SPF #
Ask an LLM
“How do I get the SPF record on my domain verified?”
“Can I re-run the SPF DNS check after updating my domain's TXT record?”
Tell an agent
Verify SPF for domain {domainid}.
Check whether domain {domainid} has a valid SPF record now.
POST /domains/{domainid}/rotatedkim Rotate a domain's DKIM key · Postmark Rotate DKIM Key #
Ask an LLM
“How do I rotate the DKIM key on my domain?”
“Where do the new DKIM values show up until DNS confirms them?”
Tell an agent
Rotate the DKIM key for domain {domainid}.
Generate a replacement DKIM key on domain {domainid} and show the pending DNS values.

Documentation

📖
Documentation
https://postmarkapp.com/developer
📖
GettingStarted
https://postmarkapp.com/developer/api/overview
📖
Authentication
https://postmarkapp.com/developer/api/overview#authentication

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/postmark/refs/heads/main/openapi/postmark-domains-api-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/postmark/refs/heads/main/asyncapi/postmark-webhooks-asyncapi.yml

Other Resources

🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/postmark/refs/heads/main/overlays/postmark-domains-api-api-overlay.yaml

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OpenAPI Specification

postmark-domains-api-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Postmark Account Domains API
  description: 'Postmark makes sending and receiving email incredibly easy. The Account-level API allows users to

    configure all Servers, Domains, and Sender Signatures associated

    with an Account.'
  version: 0.9.0
servers:
- url: //api.postmarkapp.com/
tags:
- name: Domains API
paths:
  /domains:
    get:
      tags:
      - Domains API
      summary: Postmark List Domains
      operationId: listDomains
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: count
        in: query
        description: Number of records to return per request. Max 500.
        required: true
        schema:
          maximum: 500
          minimum: 1
          type: integer
      - name: offset
        in: query
        description: Number of records to skip
        required: true
        schema:
          minimum: 0
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainListingResults'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
    post:
      tags:
      - Domains API
      summary: Postmark Create a Domain
      operationId: createDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DomainCreationModel'
        required: false
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainExtendedInformation'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
      x-codegen-request-body-name: body
  /domains/{domainid}:
    get:
      tags:
      - Domains API
      summary: Postmark Get a Domain
      operationId: getDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain that should be retrieved.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainExtendedInformation'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
    put:
      tags:
      - Domains API
      summary: Postmark Update a Domain
      operationId: editDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain that should be modified by the request.
        required: true
        schema:
          type: integer
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/DomainEditingModel'
        required: false
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainExtendedInformation'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
      x-codegen-request-body-name: body
    delete:
      tags:
      - Domains API
      summary: Postmark Delete a Domain
      operationId: deleteDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain that should be deleted by the request.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
  /domains/{domainid}/verifydkim:
    put:
      tags:
      - Domains API
      summary: Postmark Request DNS Verification for DKIM
      operationId: requestDkimVerificationForDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain for which DKIM DNS records should be verified.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainExtendedInformation'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
  /domains/{domainid}/verifyreturnpath:
    put:
      tags:
      - Domains API
      summary: Postmark Request DNS Verification for Return-Path
      operationId: requestReturnPathVerificationForDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain for which Return-Path DNS records should be verified.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainExtendedInformation'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
  /domains/{domainid}/verifyspf:
    post:
      tags:
      - Domains API
      summary: Postmark Request DNS Verification for SPF
      operationId: requestSPFVerificationForDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Domain for which SPF DNS records should be verified.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DomainSPFResult'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
  /domains/{domainid}/rotatedkim:
    post:
      tags:
      - Domains API
      summary: Postmark Rotate DKIM Key
      description: 'Creates a new DKIM key to replace your current key. Until the DNS entries are confirmed,

        the new values will be in the `DKIMPendingHost` and `DKIMPendingTextValue` fields.

        After the new DKIM value is verified in DNS, the pending values will migrate to

        `DKIMTextValue` and `DKIMPendingTextValue` and Postmark will begin to sign emails

        with the new DKIM key.'
      operationId: rotateDKIMKeyForDomain
      parameters:
      - name: X-Postmark-Account-Token
        in: header
        description: The token associated with the Account on which this request will operate.
        required: true
        schema:
          type: string
      - name: domainid
        in: path
        description: The ID for the Sender Signature for which a new DKIM Key should be generated.
        required: true
        schema:
          type: integer
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/DKIMRotationResponse'
        '422':
          description: An error was generated due to incorrect use of the API. See the Message associated with this response for more information.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/StandardPostmarkResponse'
        '500':
          description: Indicates an internal server error occurred.
          content: {}
components:
  schemas:
    StandardPostmarkResponse:
      type: object
      properties:
        ErrorCode:
          type: integer
        Message:
          type: string
      description: A Postmark API error.
    DomainInformation:
      type: object
      properties:
        Name:
          type: string
        SPFVerified:
          type: boolean
        DKIMVerified:
          type: boolean
        WeakDKIM:
          type: boolean
        ReturnPathDomainVerified:
          type: boolean
        ID:
          type: integer
          format: int64
      description: ''
    DomainExtendedInformation:
      type: object
      properties:
        Name:
          type: string
        SPFVerified:
          type: boolean
        SPFHost:
          type: string
        SPFTextValue:
          type: string
        DKIMVerified:
          type: boolean
        WeakDKIM:
          type: boolean
        DKIMHost:
          type: string
        DKIMTestValue:
          type: string
        DKIMPendingHost:
          type: string
        DKIMPendingTextValue:
          type: string
        DKIMRevokedHost:
          type: string
        DKIMRevokedTextValue:
          type: string
        SafeToRemoveRevokedKeyFromDNS:
          type: boolean
        DKIMUpdateStatus:
          type: string
        ReturnPathDomain:
          type: string
        ReturnPathDomainVerified:
          type: boolean
        ReturnPathDomainCNAMEValue:
          type: string
        ID:
          type: integer
          format: int64
      description: ''
    DomainEditingModel:
      type: object
      properties:
        ReturnPathDomain:
          type: string
      description: ''
    DomainSPFResult:
      type: object
      properties:
        SPFHost:
          type: string
        SPFVerified:
          type: boolean
        SPFTextValue:
          type: string
      description: ''
    DomainCreationModel:
      type: object
      properties:
        Name:
          type: string
        ReturnPathDomain:
          type: string
      description: ''
    DomainListingResults:
      type: object
      properties:
        TotalCount:
          type: integer
        Domains:
          type: array
          items:
            $ref: '#/components/schemas/DomainInformation'
      description: ''
    DKIMRotationResponse:
      type: object
      properties:
        Name:
          type: string
        DKIMVerified:
          type: boolean
        WeakDKIM:
          type: boolean
        DKIMHost:
          type: string
        DKIMTestValue:
          type: string
        DKIMPendingHost:
          type: string
        DKIMPendingTextValue:
          type: string
        DKIMRevokedHost:
          type: string
        DKIMRevokedTextValue:
          type: string
        SafeToRemoveRevokedKeyFromDNS:
          type: boolean
        DKIMUpdateStatus:
          type: string
        ID:
          type: integer
          format: int64
      description: ''