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2 updates shipped

Feature

Undeliverable number detection • Multiple AI agent API keys

Updates shipped on April 7, 2026.

Undeliverable number detection

Feature

Surge now tracks permanently undeliverable destinations and blocks future sends to numbers that are known to fail, with sender-type-specific handling for local, toll-free, and short code traffic. This should save you money as you will no longer be charged for those messages.

Multiple AI agent API keys

Feature

Projects can now manage multiple named AI agent API keys and choose which key to use when configuring a phone number integration. This allows you to set up multiple AI agent platforms within your project or even within the same account.

2 updates shipped

Feature

Undeliverable number detection • Multiple AI agent API keys

Updates shipped on April 7, 2026.

Undeliverable number detection

Feature

Surge now tracks permanently undeliverable destinations and blocks future sends to numbers that are known to fail, with sender-type-specific handling for local, toll-free, and short code traffic. This should save you money as you will no longer be charged for those messages.

Multiple AI agent API keys

Feature

Projects can now manage multiple named AI agent API keys and choose which key to use when configuring a phone number integration. This allows you to set up multiple AI agent platforms within your project or even within the same account.