{"templateId":"markdown","sharedDataIds":{"sidebar":"sidebar-docs/content-api/sidebars.yaml"},"props":{"metadata":{"markdoc":{"tagList":["admonition"]},"type":"markdown"},"seo":{"title":"Basic Authentication - Mailjet Content API","siteUrl":"https://dev.mailjet.com/","projectTitle":"Mailjet Developer Documentation","description":"Authenticate to the Mailjet Content API with HTTP Basic Auth using your API Key as username and Secret Key as password. No extra restrictions apply.","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":"authentication","__idx":0},"children":["Authentication"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["Mailjet Content API supports two authentication schemes: Basic Authentication and Bearer Token."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":1,"id":"basic-authentication","__idx":1},"children":["Basic Authentication"]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["If you use ",{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"https://en.wikipedia.org/wiki/Basic_access_authentication"},"children":["HTTPS Basic Auth"]},", it requires you to provide a username and a password for each API request."]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["The username is your API Key and the password is your API Secret Key - you can find them in your ",{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"https://app.mailjet.com/account/apikeys"},"children":["API Key Management page"]},"."]},{"$$mdtype":"Tag","name":"Admonition","attributes":{"type":"info","name":"Info"},"children":[{"$$mdtype":"Tag","name":"p","attributes":{},"children":["When you create a new account, a primary API key is automatically generated. However, you must generate a Secret Key within the user interface before it is accessible for use via API. The Secret Key will be displayed to the user only once. It is crucial that you securely manage and store the Secret Key value at the time of creation."]}]},{"$$mdtype":"Tag","name":"p","attributes":{},"children":["A user authenticated with Basic Auth has no permission restriction other than that of their Mailjet plan. You can consult plan-related restrictions on the ",{"$$mdtype":"Tag","name":"MarkdownLink","attributes":{"href":"https://app.mailjet.com/account/billing"},"children":["Billing Settings & Invoices page"]},"."]},{"$$mdtype":"Tag","name":"Heading","attributes":{"level":3,"id":"example","__idx":2},"children":["Example"]},{"$$mdtype":"Tag","name":"CodeBlock","attributes":{"header":{"controls":{"copy":{}}},"source":"curl -H \"Authorization: Basic bWFpbGpldDpyb2Nrcw==\" https://api.mailjet.com/v1/rest/templates\n"},"children":[]}]},"headings":[{"value":"Authentication","id":"authentication","depth":1},{"value":"Basic Authentication","id":"basic-authentication","depth":1},{"value":"Example","id":"example","depth":3}],"frontmatter":{"title":"Mailjet Content API","seo":{"title":"Basic Authentication - Mailjet Content API","description":"Authenticate to the Mailjet Content API with HTTP Basic Auth using your API Key as username and Secret Key as password. No extra restrictions apply."}},"lastModified":"2026-08-26T10:53:57.000Z","pagePropGetterError":{"message":"","name":""}},"slug":"/docs/content-api/authentication/basic-auth","userData":{"isAuthenticated":false,"teams":["anonymous"]},"isPublic":true}