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Changelog

October 6, 2026

Features

  • The new POST /v3/document/detect_fields endpoint lets you analyze a PDF for form annotations or Dropbox Sign Text Tags before sending a signature request. It returns reusable form_fields_per_document and form_field_groups definitions together with structured warnings and errors.

  • The expires_at parameter now supports /signature_request/send_with_template, /signature_request/create_embedded_with_template, /signature_request/bulk_send_with_template, and /signature_request/bulk_create_embedded_with_template. /signature_request/update can also add an expiration to a request that did not previously have one. See the Signature Request Expiration Date guide.

Fixes

  • Requests that use grouped_signers now reject duplicate email addresses, preventing ambiguous recipient assignments. Integrations that previously reused an address within grouped_signers must now provide unique email addresses.

  • Fixed embedded close events after a signer completes, declines, or reassigns a request. See the HelloSign Embedded SDK.

  • Fixed signer attachment processing so file-size and page-count limits are consistently enforced.

  • Fixed embedded signing so the original signer no longer receives a completion email after reassigning a request and the replacement signer completes it.

Announcements