SignatureAPI provides localization options, allowing you to tailor the signing process to meet the specific needs of your customers.

Language

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Time zones

Time zones ensure that the way time is displayed in your deliverables is relevant for you and your customers.

Your account’s default time zone can be set in the Settings section of the dashboard. Additionally, you can override the default time zone for individual envelopes by setting the timezone parameter when creating the envelope.

You can use time zone identifiers from the TZ Database, such as Europe/London, US/Pacific, UTC, or offsets like Etc/GMT+2.

Timestamp Formats

In addition to time zones, you can customize the timestamps in the deliverables sent to your customers.

You can define a default date and time format in the Settings section of the dashboard. It is also possible to override the default timestamp format for individual envelopes by setting the timestamp_format parameter when creating the envelope.

To define the timestamp format, you use the following tokens:

TokenDescription
YYYYYear
MMMonth
DDDay
HHHour in 24-hour format
hhHour in 12-hour format
mmMinutes
ssSeconds

For separators, you can use the following options for dates: / (slash), - (dash), . (period), (space), and the following for time: : (colon), . (period).

These examples are valid timestamp_format values:

Timestamp formatExample
MM/DD/YYYY hh:mm:ss12/31/2025 11:59:59 PM
DD/MM/YYYY HH:mm:ss31/12/2025 23:59:59
YYYY-MM-DD HH:mm:ss2025-12-31 23:59:59
DD.MM.YYYY HH.mm.ss31.12.2025 23.59.59