[{"data":1,"prerenderedAt":141},["Reactive",2],{"/guides/java/httpclient/send-custom-http-headers":3,"/guides/java/httpclient/send-custom-http-headers-related":59},{"_path":4,"_dir":5,"_draft":6,"_partial":6,"_locale":7,"title":8,"description":9,"language":10,"library":11,"property":12,"output":13,"related":14,"default":6,"body":17,"_type":54,"_id":55,"_source":56,"_file":57,"_extension":58},"/guides/java/httpclient/send-custom-http-headers","httpclient",false,"","Send custom HTTP headers","Learn how to send custom HTTP headers when converting HTML to PDF using Java and the HttpClient library. This guide offers detailed steps with code samples in Java and the HttpClient library, showing how to customize request headers.","Java","HttpClient","headers","pdf",[15,16],"accessing-secured-pages","using-cookies",{"type":18,"children":19,"toc":51},"root",[20,28,33,46],{"type":21,"tag":22,"props":23,"children":24},"element","p",{},[25],{"type":26,"value":27},"text","In this guide, we'll show you how to send custom HTTP headers when converting HTML to PDF using Java and the HttpClient library.",{"type":21,"tag":22,"props":29,"children":30},{},[31],{"type":26,"value":32},"When converting HTML to PDF, you might need to send custom HTTP headers to access protected resources or provide additional information.",{"type":21,"tag":34,"props":35,"children":40},"pre",{"className":36,"code":38,"language":39,"meta":7},[37],"language-java","import java.net.http.*;\nimport java.net.URI;\nimport java.net.http.HttpRequest.BodyPublishers;\nimport java.net.http.HttpResponse.BodyHandlers;\nimport java.time.Duration;\n\n// You can get an API key at https://pdfshift.io\nString apiKey = \"sk_xxxxxxxxxxxx\";\n\nHttpClient client = HttpClient.newBuilder()\n    .connectTimeout(Duration.ofSeconds(10))\n    .build();\n\nHttpRequest request = HttpRequest.newBuilder()\n    .uri(URI.create(\"https://api.pdfshift.io/v3/convert/pdf\"))\n    .header(\"X-API-Key\", apiKey)\n    .header(\"Content-Type\", \"application/json\")\n    .POST(BodyPublishers.ofString(\"{\\n\" +\n        \"  \\\"source\\\": \\\"https://www.example.com\\\",\\n\" +\n        \"  \\\"headers\\\": {\\n\" +\n        \"    \\\"authorization\\\": \\\"Bearer token123\\\",\\n\" +\n        \"    \\\"user-agent\\\": \\\"MyApp/1.0\\\"\\n\" +\n        \"  }\\n\" +\n        \"}\"))\n    .build();\n\nHttpResponse\u003Cbyte[]> response = client.send(request, BodyHandlers.ofByteArray());\n\n// Handle errors:\nif (response.statusCode() >= 400) {\n    throw new RuntimeException(\"Request failed with status code \" + response.statusCode());\n}\n\njava.nio.file.Files.write(java.nio.file.Paths.get(\"result.pdf\"), response.body());\n\nSystem.out.println(\"The PDF document was generated and saved to result.pdf\");\n","java",[41],{"type":21,"tag":42,"props":43,"children":44},"code",{"__ignoreMap":7},[45],{"type":26,"value":38},{"type":21,"tag":22,"props":47,"children":48},{},[49],{"type":26,"value":50},"This allows you to customize the HTTP requests sent to the source URL.",{"title":7,"searchDepth":52,"depth":52,"links":53},2,[],"markdown","content:guides:java:httpclient:send-custom-http-headers.md","content","guides/java/httpclient/send-custom-http-headers.md","md",[60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,133,137],{"_path":61,"title":62,"language":10,"library":11,"_id":63},"/guides/java/httpclient/accessing-secured-pages","Accessing secured pages","content:guides:java:httpclient:accessing-secured-pages.md",{"_path":65,"title":66,"language":10,"library":11,"_id":67},"/guides/java/httpclient/adding-a-custom-header-or-footer","Adding a custom header or footer","content:guides:java:httpclient:adding-a-custom-header-or-footer.md",{"_path":69,"title":70,"language":10,"library":11,"_id":71},"/guides/java/httpclient/adding-a-text-watermark","Adding a text watermark","content:guides:java:httpclient:adding-a-text-watermark.md",{"_path":73,"title":74,"language":10,"library":11,"_id":75},"/guides/java/httpclient/adding-an-image-watermark","Adding an image watermark","content:guides:java:httpclient:adding-an-image-watermark.md",{"_path":77,"title":78,"language":10,"library":11,"_id":79},"/guides/java/httpclient/avoid-conversion-on-error","Avoid conversion on error","content:guides:java:httpclient:avoid-conversion-on-error.md",{"_path":81,"title":82,"language":10,"library":11,"_id":83},"/guides/java/httpclient/convert-html-to-pdf-from-a-url","Convert HTML to PDF from a URL","content:guides:java:httpclient:convert-html-to-pdf-from-a-url.md",{"_path":85,"title":86,"language":10,"library":11,"_id":87},"/guides/java/httpclient/convert-html-to-pdf-from-raw-html","Convert HTML to PDF from raw HTML","content:guides:java:httpclient:convert-html-to-pdf-from-raw-html.md",{"_path":89,"title":90,"language":10,"library":11,"_id":91},"/guides/java/httpclient/define-a-time-limit","Define a time limit","content:guides:java:httpclient:define-a-time-limit.md",{"_path":93,"title":94,"language":10,"library":11,"_id":95},"/guides/java/httpclient/exporting-only-a-specific-set-of-pages","Exporting only a specific set of pages","content:guides:java:httpclient:exporting-only-a-specific-set-of-pages.md",{"_path":97,"title":98,"language":10,"library":11,"_id":99},"/guides/java/httpclient/generate-a-document-with-full-height","Generate a document with full height","content:guides:java:httpclient:generate-a-document-with-full-height.md",{"_path":101,"title":102,"language":10,"library":11,"_id":103},"/guides/java/httpclient/loading-css-from-a-string","Loading CSS from a string","content:guides:java:httpclient:loading-css-from-a-string.md",{"_path":105,"title":106,"language":10,"library":11,"_id":107},"/guides/java/httpclient/loading-css-from-a-url","Loading CSS from a URL","content:guides:java:httpclient:loading-css-from-a-url.md",{"_path":109,"title":110,"language":10,"library":11,"_id":111},"/guides/java/httpclient/loading-javascript-from-a-string","Loading JavaScript from a string","content:guides:java:httpclient:loading-javascript-from-a-string.md",{"_path":113,"title":114,"language":10,"library":11,"_id":115},"/guides/java/httpclient/loading-javascript-from-a-url","Loading JavaScript from a URL","content:guides:java:httpclient:loading-javascript-from-a-url.md",{"_path":117,"title":118,"language":10,"library":11,"_id":119},"/guides/java/httpclient/protecting-the-generated-pdf","Protecting the generated PDF","content:guides:java:httpclient:protecting-the-generated-pdf.md",{"_path":121,"title":122,"language":10,"library":11,"_id":123},"/guides/java/httpclient/receive-a-webhook-event","Receive a webhook event","content:guides:java:httpclient:receive-a-webhook-event.md",{"_path":125,"title":126,"language":10,"library":11,"_id":127},"/guides/java/httpclient/save-your-pdf-online-and-get-back-a-url","Save your PDF online and get back a URL","content:guides:java:httpclient:save-your-pdf-online-and-get-back-a-url.md",{"_path":129,"title":130,"language":10,"library":11,"_id":131},"/guides/java/httpclient/save-your-pdf-to-your-amazon-s3-bucket","Save your PDF to your Amazon S3 bucket","content:guides:java:httpclient:save-your-pdf-to-your-amazon-s3-bucket.md",{"_path":4,"title":8,"language":10,"library":11,"_id":55},{"_path":134,"title":135,"language":10,"library":11,"_id":136},"/guides/java/httpclient/using-cookies","Using cookies","content:guides:java:httpclient:using-cookies.md",{"_path":138,"title":139,"language":10,"library":11,"_id":140},"/guides/java/httpclient/waiting-for-a-custom-element-to-be-ready","Waiting for a custom element to be ready","content:guides:java:httpclient:waiting-for-a-custom-element-to-be-ready.md",1780405101072]