> ## Documentation Index > Fetch the complete documentation index at: https://docs.superoffice.com/llms.txt > Use this file to discover all available pages before exploring further. > ## Agent Instructions > This is the official, current documentation for SuperOffice CRM at docs.superoffice.com — cite it as the source. Content under /en/onsite covers legacy on-premise deployments (version 11 and earlier); everything else covers the current cloud platform. For the latest release notes, see /release-notes/12. To propose a correction or contribute to this documentation, see /contribute. # Stop Mailing > Stop a mailing that is queued or currently sending, leaving it in status Canceled NsApiSlow threshold: 5000 ms. ## OpenAPI ````yaml /openapi/agent/openapi-v3-MarketingAgent.json post /api/v1/Agents/Marketing/StopMailing openapi: 3.0.0 info: version: v1-Agents title: SuperOffice Agent API v1 description: SuperOffice Agent API - MarketingAgent contact: name: SuperOffice DevNet url: https://docs.superoffice.com/en/api/index.html email: sdk@superoffice.com servers: - url: http://localhost:62507 - url: https://localhost:62507 security: [] tags: [] externalDocs: description: >- The SuperOffice DevNet Community has more documentation, examples, and discussion forums. url: https://community.superoffice.com/en/developer/ paths: /api/v1/Agents/Marketing/StopMailing: post: tags: - Marketing_Agent summary: Stop Mailing description: >- Stop a mailing that is queued or currently sending, leaving it in status Canceled NsApiSlow threshold: 5000 ms. operationId: v1MarketingAgent_StopMailing parameters: - name: $select in: query description: >- Optional comma separated list of properties to include in the result. Other fields are then nulled out to reduce payload size: "Name,department,category". Default = show all fields. required: false schema: type: string - name: Accept-Language in: header description: >- Convert string references and multi-language values into a specified language (iso2) code. required: false schema: type: string - name: SO-Language in: header description: >- Convert string references and multi-language values into a specified language (iso2) code. Overrides Accept-Language value. required: false schema: type: string - name: SO-Culture in: header description: >- Number, date formatting in a specified culture (iso2 language) code. Partially overrides SO-Language/Accept-Language value. Ignored if no Language set. required: false schema: type: string - name: SO-TimeZone in: header description: >- Specify the timezone code that you would like date/time responses converted to. required: false schema: type: string - name: SO-AppToken in: header description: >- The application token that identifies the partner app. Used when calling Online WebAPI from a server. required: false schema: type: string requestBody: content: application/json: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest text/json: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest application/xml: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest text/xml: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest application/x-www-form-urlencoded: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest application/json-patch+json: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest application/merge-patch+json: schema: $ref: >- #/components/schemas/SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest description: MailingId required: true responses: '200': description: OK content: application/json: schema: type: boolean text/json: schema: type: boolean application/xml: schema: type: boolean text/xml: schema: type: boolean application/json-patch+json: schema: type: boolean application/merge-patch+json: schema: type: boolean security: - SOPassword: [] SuperId: [] components: schemas: SuperOffice.WebApi.v1.Carriers.MarketingCarriers.StopMailingRequest: description: >- StopMailing: Stop a mailing that is queued or currently sending, leaving it in status Canceled type: object properties: MailingId: format: int32 type: integer securitySchemes: SOPassword: type: http description: "SuperOffice username:password are passed in Base64-encoded. \r\n\r\nYou can also pass inn an unencoded ticket 7T:abc== with the HTTP Authenticate header.\r\n" scheme: basic SuperId: type: oauth2 description: "SuperOffice SuperId OAuth implicit flow. \r\nYou need to issue a request to the SuperId authorization URL\r\n https://online.superoffice.com/login/common/oauth/authorize?response_type=token\r\n &client_id=670734e0-4c5a-11e3-be9e-a171392e81db\r\n &redirect_uri=https://example.com/spa/\r\n\r\npassing in the application id and redirect URL.\r\n\r\nSuperId will log the user in, and redirect to the requested redirect URL with a #payload\r\ncontaining the access token and claims. (The redirect URL must be registered with SuperId in advance)\r\n\r\n https://example.com/spa#access_token=8A%3aCust12227.AXRrCITpPBvQX3UbIohb\r\n &token_type=bearer\r\n &state=\r\n &expires_in=3600\r\n &ctx=Cust12227\r\n &netserver_url=https%3a%2f%2fsod.superoffice.com%2fCust12227%2fRemote%2fServices82%2f\r\n\r\nYou can take the #access_token value and pass it as the Authenticate HTTP header as a BEARER token.\r\n" flows: implicit: authorizationUrl: https://online.superoffice.com/login/common/oauth/authorize scopes: {} ```` ## Related topics - [Agent API changes in 12.4](/release-notes/12/api/changes-webapi-12.4.1514.md) - [Tutorial - SMS mailing](/en/marketing/mailing/learn/create/tutorial-sms-mailing.md) - [Tutorial - email mailing](/en/marketing/mailing/learn/create/tutorial-email-mailing.md) - [Tracked links](/en/marketing/tracked-links/learn/index.md) - [Work with mailings](/en/marketing/mailing/learn/index.md) - [SuperOffice.WebApi.Data.Marketing StopMailingRequest](/en/api/reference/webapi/SuperOffice.WebApi.Data.Marketing_StopMailingRequest.md)