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latestOpenAPI 3.0.3MITraw.githubusercontent.com2026-08-1073217576.2 KB

Signature Request

Send Signature Request

Creates and sends a new SignatureRequest with the submitted documents. If form_fields_per_document is not specified, a signature page will be affixed where all signers will be required to add their signature, signifying their agreement to all contained documents.

post/signature_request/send

Request body

filesstring[]

Use files[] to indicate the uploaded file(s) to send for signature.

This endpoint requires either files or file_urls[], but not both.

file_urlsstring[]

Use file_urls[] to have Dropbox Sign download the file(s) to send for signature.

This endpoint requires either files or file_urls[], but not both.

allow_declineboolean

Allows signers to decline to sign a document if true. Defaults to false.

allow_reassignboolean

Allows signers to reassign their signature requests to other signers if set to true. Defaults to false.

NOTE: Only available for Premium plan and higher.

cc_email_addressesstring[]

The email addresses that should be CCed.

client_idstring

The client id of the API App you want to associate with this request. Used to apply the branding and callback url defined for the app.

hide_text_tagsboolean

Enables automatic Text Tag removal when set to true.

NOTE: Removing text tags this way can cause unwanted clipping. We recommend leaving this setting on false and instead hiding your text tags using white text or a similar approach. See the Text Tags Walkthrough for more information.

is_eidboolean

Send with a value of true if you wish to enable electronic identification (eID), which requires the signer to verify their identity with an eID provider to sign a document.<br> NOTE: You need the eID add-on to use this feature. Please contact sales for more information. Cannot be used in test_mode. Only works on requests with one signer.

messagestring

The custom message in the email that will be sent to the signers.

metadataobject

Key-value data that should be attached to the signature request. This metadata is included in all API responses and events involving the signature request. For example, use the metadata field to store a signer's order number for look up when receiving events for the signature request.

Each request can include up to 10 metadata keys (or 50 nested metadata keys), with key names up to 40 characters long and values up to 1000 characters long.

signing_redirect_urlstring

The URL you want signers redirected to after they successfully sign.

subjectstring

The subject in the email that will be sent to the signers.

test_modeboolean

Whether this is a test, the signature request will not be legally binding if set to true. Defaults to false.

titlestring

The title you want to assign to the SignatureRequest.

use_text_tagsboolean

Send with a value of true if you wish to enable Text Tags parsing in your document. Defaults to disabled, or false.

expires_atinteger nullable

When the signature request will expire. Unsigned signatures will be moved to the expired status, and no longer signable. See Signature Request Expiration Date for details.

Response

successful operation