Building a pure "Excel-In, Excel-Out" application wrapper for high-volume outbound Hey everyone, I’ve noticed a recurring bottleneck when trying to scale outbound voice campaigns for non-technical sales teams. Raw infrastructure platforms are incredible for developer flexibility, but business clients usually don't want to deal with setting up complex webhooks, managing prompt engineering states, or connecting Zapier middleware just to run a cold calling campaign. To solve this, we built a dedicated application layer focused entirely on a zero-friction "Excel-In, Excel-Out" workflow. How the architecture is structured: • Zero API Setup: Drop in a standard spreadsheet, pick a sales template, and the engine dials instantly without needing any custom backend dev work. • Enriched Output: Instead of firing post-call data to webhooks, the platform writes directly back to the user's spreadsheet, automatically appending Call Status, Lead Scores (Hot/Warm/Cold), and conversation summaries. • Optimized Cost: Because it's a dedicated wrapper optimized purely for high-volume outbound sales, we got the execution cost down to around $0.03/minute. Curious for the agency owners and builders here: when you deploy voice agents for cold-calling clients, do they usually demand a fully custom CRM/webhook integration, or are they just looking for an out-of-the-box spreadsheet workflow like this? https://cdn.discordapp.com/attachments/1211483571454218261/1513974678765441034/Screenshot_2026-06-09_220741.png?ex=6a29ae4b&is=6a285ccb&hm=7022ee6648f59ff6858c04f340cae8cfedefd0618235f18dc7f27d9ae1d82f0b& https://cdn.discordapp.com/attachments/1211483571454218261/1513974679134666822/Screenshot_2026-06-09_220749.png?ex=6a29ae4b&is=6a285ccb&hm=d55c5c831a325d031fd36967c4912087538fa2879285912e7986a773a34fec12&