{"templateId":"markdown","sharedDataIds":{"sidebar":"sidebar-docs/email-api/sidebars.yaml"},"props":{"metadata":{"markdoc":{"tagList":[]},"type":"markdown"},"seo":{"title":"Manage attachments","siteUrl":"https://dev.mailjet.com/","projectTitle":"Mailjet Developer Documentation","description":"Retrieve inbound email attachments from the Mailjet Parse API via the Parts array or AttachmentN properties; content is always Base64-encoded.","image":"https://dev.mailjet.com/og-image.png","lang":"en-US","keywords":["Mailjet API","Email API","Content API","SMTP Relay","transactional email","email delivery","Send API","email templates","developer documentation"],"meta":[{"name":"og:type","content":"website"},{"name":"og:site_name","content":"Mailjet Developer Documentation"},{"name":"twitter:card","content":"summary_large_image"},{"name":"robots","content":"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1"},{"name":"googlebot","content":"index, follow, max-snippet:-1, max-image-preview:large"}],"jsonLd":{"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://dev.mailjet.com/#organization","name":"Mailjet","alternateName":"Sinch Mailjet","url":"https://www.mailjet.com","logo":"https://assets.mailjet.com/lib/images/mailjetLogo/mj_logo_with_text_color.png","parentOrganization":{"@type":"Organization","name":"Sinch","url":"https://www.sinch.com"}},{"@type":"WebSite","@id":"https://dev.mailjet.com/#website","name":"Mailjet Developer Documentation","description":"Official developer documentation for the Mailjet Email API, Content API and SMTP Relay.","url":"https://dev.mailjet.com/","inLanguage":"en-US","publisher":{"@id":"https://dev.mailjet.com/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://dev.mailjet.com/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]},"llmstxt":{"hide":false,"title":"Mailjet Developer Documentation","description":"Developer documentation for the Mailjet Email API, Content API and SMTP Relay - guides, API references and code samples for sending, templating and tracking email at scale.","details":{"content":"Mailjet (part of Sinch) provides APIs for sending and managing email.\n\nThis documentation covers four main areas:\n\n- **Email API** - the Send API (v3 and v3.1) for transactional and marketing email,\n  plus contact management, segmentation, campaigns, statistics, webhooks, the Parse API\n  and the Mailjet Templating Language.\n- **Content API** - programmatic management of email templates, template contents,\n  images, labels and authentication tokens (v1).\n- **SMTP Relay** - sending through Mailjet's SMTP servers, including custom headers.\n- **API Reference** - the complete, generated reference for every endpoint, built directly\n  from the OpenAPI specifications.\n\nBase URL for all REST APIs: `https://api.mailjet.com`.\nAuthentication uses HTTP Basic auth with an API key and secret key.\n\n## Machine-readable entry points\n\nPrefer these when you need the API surface in as few requests as possible:\n\n- `/openapi/openapi-mailjet.md` - the **complete** Email API reference (every endpoint,\n  grouped by resource) as a single Markdown document.\n- `/openapi/openapi-passport.md` - the **complete** Content API reference as a single\n  Markdown document.\n- `/_bundle/openapi/openapi-mailjet.yaml` - the raw, fully bundled OpenAPI 3 description\n  of the Email API.\n- `/_bundle/openapi/openapi-passport.yaml` - the raw, fully bundled OpenAPI 3 description\n  of the Content API.\n- `/sitemap.xml` - every indexable URL on this site.\n\nEvery page on this site is also available as clean Markdown by appending `.md` to its URL."},"sections":[{"title":"Email API","description":"Sending, contacts, campaigns, statistics, webhooks and templating.","includeFiles":["docs/email-api/**/*.md"],"excludeFiles":[]},{"title":"Content API","description":"Manage templates, template contents, images, labels and tokens.","includeFiles":["docs/content-api/**/*.md","docs/content-api.md"],"excludeFiles":[]},{"title":"SMTP Relay","description":"Send email through Mailjet's SMTP servers.","includeFiles":["docs/smtp-relay/**/*.md"],"excludeFiles":[]},{"title":"API Reference","description":"Complete generated reference for every Mailjet API endpoint.","includeFiles":["openapi/openapi-mailjet.yaml","openapi/openapi-passport.yaml","docs/api-reference/**/*.md"],"excludeFiles":[]},{"title":"Migrating from Mandrill","description":"Guides for switching from Mandrill to Mailjet.","includeFiles":["docs/mandrill/**/*.md"],"excludeFiles":[]}],"excludeFiles":[]}},"dynamicMarkdocComponents":[],"compilationErrors":[],"ast":{"$$mdtype":"Tag","name":"article","attributes":{},"children":[{"$$mdtype":"Tag","name":"Heading","attributes":{"level":1,"id":"manage-attachments","__idx":0},"children":["Manage attachments"]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"example","__idx":1},"children":["Example"]},{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"header":{"controls":{"copy":{}}},"source":"{\n  \"Parts\": [\n    {\n      \"Headers\": {\n        \"Content-Type\": \"text/plain; charset=utf-8; name=helloworld.txt\",\n        \"Content-Transfer-Encoding\": \"base64\",\n        \"Content-Disposition\": \"attachment; filename=helloworld.txt\"\n      },\n      \"ContentRef\": \"Attachment1\"\n    }\n  ],\n  \"Attachment1\": \"SGVsbG8gV29ybGQh\"\n}\n"},"children":[]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["In the payload, there is a Parts array. This collection contains every part of the parsed message. This collection relates directly to how an email is represented in ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["Content multipart"]},"."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["If the parsed message contains attachments, they will be also included in the payload."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["To retrieve them, you can either loop on the Parts collection and look for any part where the ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["ContentRef"]}," property starts with Attachment or you can look directly for the ",{"$$mdtype":"Tag","name":"code","attributes":{},"children":["AttachmentN"]}," property (where N is the ID of the attachment in the message, following their order)."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The content of the attachments is always encoded in Base64. 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