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The Forms client does not require API credentials. Forms are identified by a UUID that you obtain from the Paubox dashboard.

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Instantiation

import com.paubox.service.FormsService;

FormsService service = new FormsService();
No config loading is required.

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Get a form

Retrieve a form’s metadata, field schema, and rendered HTML/CSS: 
import com.paubox.data.Form;

Form form = service.getForm("your-form-uuid");

System.out.println("Title: " + form.getTitle());
System.out.println("HTML: "  + form.getFormHtml());
Key Form getters:
MethodDescription
getTitle()Display name of the form
getFormJson()Parsed field schema
getFormHtml()Rendered HTML for embedding
getFormCss()Associated stylesheet
isActive()Whether the form is accepting submissions
getSubmissionCount()Number of submissions received

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Submit a form

import com.paubox.data.FormSubmissionRequest;
import java.util.HashMap;
import java.util.Map;

Map<String, Object> formData = new HashMap<>();
formData.put("first_name", "Jane");
formData.put("last_name",  "Smith");
formData.put("email",      "jane@example.com");

FormSubmissionRequest request = new FormSubmissionRequest();
request.setFormData(formData);

service.submitForm("your-form-uuid", request);
submitForm returns void on success (HTTP 201) and throws on failure.

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Submitting with file attachments

The maximum total request size is 250 MB. 
import com.paubox.data.FormSubmissionAttachment;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Base64;
import java.util.ArrayList;
import java.util.List;

byte[] fileBytes = Files.readAllBytes(Paths.get("consent.pdf"));
String encoded   = Base64.getEncoder().encodeToString(fileBytes);

FormSubmissionAttachment attachment = new FormSubmissionAttachment();
attachment.setName("consent.pdf");
attachment.setContent(encoded);

List<FormSubmissionAttachment> attachments = new ArrayList<>();
attachments.add(attachment);

FormSubmissionRequest request = new FormSubmissionRequest();
request.setFormData(formData);
request.setAttachments(attachments);

service.submitForm("your-form-uuid", request);

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Error handling

try {
    Form form = service.getForm("your-form-uuid");
    service.submitForm("your-form-uuid", request);
} catch (Exception e) {
    System.err.println("Forms error: " + e.getMessage());
}
getForm and submitForm throw Exception on HTTP 400 (bad request) and 404 (form not found).