Increase SMS delivery rates A critical step in Yousign’s process is sending an SMS message with a one-time PIN (OTP) to the customer to validate their identity prior to signing a document. Highly reliable SMS delivery for the OTPs was essential for Yousign to ensure the correct signer was reading and approving the correct document. In order to guarantee seamless SMS delivery 24/7, the company previously had four SMS providers so they could failover … Continue reading Yousign: Increasing SMS Delivery Rates to Authenticate Signers