> ## Documentation Index > Fetch the complete documentation index at: https://docs.bland.ai/llms.txt > Use this file to discover all available pages before exploring further. # April 13, 2026 > Agent-to-agent testing, persona authentication, and multiplayer pathways ### Agent-to-Agent Testing Automatically test your voice agents with an AI caller that simulates real end-to-end conversations, helping you catch issues before your users do. [Learn more](https://docs.bland.ai/tutorials/scenarios.md) or explore the [API reference](https://docs.bland.ai/api-v1/post/agent-testing-scenarios.md) * Create scenarios from pre-built templates or from scratch, each defining a caller persona with specific instructions (for example, a voicemail system) and clear success criteria for evaluation * Run individual tests or execute all scenarios in a batch, then review full conversation transcripts to see exactly how each interaction played out > [tab] Edit Scenario > > ![Edit Scenario panel showing a voicemail scenario with caller persona instructions and evaluation criteria](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/a2a_1.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=12ba0fdec7a749d67e3c3ef99910b7e7) > > Configure a test scenario with a caller persona, call start prompt, and evaluation criteria to define what a successful outcome looks like > [tab] Test Results > > ![Test results showing a full conversation transcript between the agent and a voicemail system](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/a2a_2.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=de8fc2c0255c1b120df4cbf9a1bb7d89) > > Review the full transcript of the agent interacting with the test caller, including the evaluation result *** ### Persona Authentication Secure your voice agents by verifying caller identity mid-conversation, ensuring only authenticated users can access sensitive information or actions * Enable authentication with built-in methods (SMS codes, identity questions, API-based verification, or custom code), and gate specific tools and pathways so they are only accessible after verification. * Configure identity questions with flexible validation modes and custom voice prompts, and define failure behavior including retry attempts, cooldowns, and what happens when all attempts are exhausted > [tab] Security Overview > > ![Security tab showing authentication toggle, available methods, and verification trigger options](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/persona_auth_1.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=7f5e5401b100cd71273c79aa6bf9d88a) > > Toggle authentication on, and decide on how strict your agent acts to authenticate the caller (flexible vs sequential) > [tab] Example Methods > > ![SMS code configuration with code length, expiry, and custom message alongside a custom code editor](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/persona_auth_2.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=103ad10c4fe84077aba0777ac7e0c30b) > > Configure methods like SMS code, which automatically send users an OTP over text messsage, or write custom validation logic with custom JS code > [tab] Access Control > > ![Access control section gating specific tools and pathways behind different verification methods](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/persona_auth_3.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=3c15753ce01bd814b809ca2150a5564c) > > Decide when persona authentication takes place, and gate specific tools and pathways behind different verification methods > [tab] Identity Questions > > ![Identity question configuration with field key, expected format, validation mode selector, and persona voice prompts](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/persona_auth_4.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=75f3554388ac8daf7fd8f4b63d14c132) > > Include optional prompting guides for how your persona authentication handles opening, succuess, and failure scenarios > [tab] Failure Handling > > ![Failure handling settings with retry attempts, cooldown, and end call, transfer, or continue options](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/persona_auth_5.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=e4b790071bbfcb61444ff2105156fb4f) > > Configure what happens when verification fails: retry limits, cooldown periods, and whether to end the call, transfer, or continue *** ### Multiplayer Pathways Collaborate on pathways with your team in real time, so multiple people can build and edit together without stepping on each other's work * Collaborator avatars appear in your pathway, on individual nodes, and along edges so you can see who is working where * Live cursors from other editors are visible as they move across the pathway * When another collaborator makes changes, a banner appears with a diff view to review what changed before syncing > [tab] Live Collaboration > > ![Pathway canvas with multiple collaborator avatars, colored cursors, and real-time presence indicators](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/multiplayer_1.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=dbcfca80fc7939475aa0981624f78c12) > > Multiple editors on the same pathway with live cursors and collaborator avatars visible on nodes and edges > [tab] Remote Updates > > ![Updated by a collaborator banner with View diff and Refresh buttons while editing a node](https://mintcdn.com/blandai/7F1tUhTKdUN-3n5W/changelog_assets/04_13_2026/multiplayer_2.jpeg?fit=max\&auto=format\&n=7F1tUhTKdUN-3n5W\&q=85\&s=602d4f834d212849af81155ed9223417) > > When a collaborator makes changes, a banner lets you view the diff or refresh to sync *** ### Improvements **Inbound Calling** * Inbound numbers can now be configured with a voice pool. A random voice is selected from the pool on each call **Citations** * \[Enterprise] Citation regression tests can now be configured and run from the citation schema playground **SMS** * \[Enterprise] SMS webhooks now include conversation variables, citations, and channel information in the payload This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.