Product

Dropbox Sign API (formerly HelloSign)

1 documented issue affecting Dropbox Sign API (formerly HelloSign), most severe first.

2022 rebrand; 2024 breach fallout3 sources

High

Dropbox Sign for integrators: the HelloSign rebrand, then a breach that rotated their keys

The HelloSign API was rebranded to the Dropbox Sign API in 2022, and after the 2024 Dropbox Sign breach the company rotated API keys and OAuth tokens — meaning developers who had embedded e-signature functionality had to update credentials and re-establish connections, not just rename a product.

Current / Ongoing Issues (2024–2026)Developer, API & Platform

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