When Your Automation Needs to Think
Zapier moves data. Make triggers actions. But who does the math? Your Excel spreadsheets can now power the complex calculations your automations can't handle.
Works with your favorite automation platforms
The Calculation Gap
Automation platforms are amazing at moving data and triggering actions. But when you need to calculate something complex?
You hit a wall. Nested IFs that break. Formula fields that can't handle your logic. Workarounds that don't scale.
When You Wish Your Automation Could Think
"Calculate a quote with 47 pricing rules"
"Score leads using your proven Excel model"
"Determine shipping costs across 12 carriers"
"Check if an order qualifies for custom discounts"
"Calculate commissions with accelerators and tiers"
"Decide reorder quantities based on 20 factors"
Your automation can trigger all day long — but it can't think.
Your Spreadsheet Becomes The Brain
You already have an Excel model that does exactly what you need. SpreadAPI turns it into an API endpoint your automation can call.
The automation sends inputs → SpreadAPI runs your Excel formulas → returns the calculated result
Three Steps to Smarter Automations
Upload Your Excel
The spreadsheet you already use. Your pricing model, scoring matrix, or calculation engine.
Define Inputs & Outputs
Tell SpreadAPI which cells receive data from your automation and which cells return results.
Call from Any Platform
Use a simple HTTP/Webhook action to call your API. Works with Zapier, Make, n8n, Power Automate, and more.
Works With Every Platform
Zapier
Use the Webhooks by Zapier action to call your SpreadAPI endpoint between any trigger and action.
Make (Integromat)
Add an HTTP module to your scenario. Route based on the calculated result using Make's powerful filters.
n8n
Use the HTTP Request node in your workflow. Branch logic based on SpreadAPI's calculated output.
Power Automate
Add an HTTP connector action. Use the response in conditions to drive your flow logic.
What People Actually Build
Dynamic Pricing
E-commerce order comes in → Calculate custom price based on quantity, customer tier, active promotions, and margins → Update order with final price.
Lead Scoring & Routing
New lead enters CRM → Score using 50+ weighted factors from your proven model → Route to the right sales rep automatically.
Instant Quotes
Customer fills a form → Calculate complex pricing with dependencies, configurations, and discounts → Generate and send PDF quote.
Commission Calculation
Deal marked as won → Calculate commission with tiers, accelerators, team splits, and bonuses → Update payroll system.
Smart Reordering
Daily inventory check → Calculate optimal reorder quantities considering lead times, seasonality, and cash flow → Create purchase orders.
Smart Approvals
Expense submitted → Evaluate against budget, policy rules, and historical patterns → Auto-approve or route for human review.
Better Than The Alternatives
Native Platform Formulas
Limited functions, nested IFs break, hard to maintain and debug.
SpreadAPI
Full Excel power. 500+ functions. Easy to update.
Custom Code / Functions
Requires a developer, expensive to build, slow to change.
SpreadAPI
No code needed. Business team can update anytime.
Google Sheets Integration
Slow, rate-limited, exposes your formulas, not designed for API use.
SpreadAPI
Fast (sub-100ms). Secure. Built for high-volume API calls.
Common Questions
"How fast is the API response?"
Most calls return in under 100ms. Complex spreadsheets with many formulas may take 100-200ms. Either way, fast enough for real-time automation workflows.
"What if my automation runs thousands of times per day?"
SpreadAPI is built for high-volume use. Our infrastructure handles millions of calculations. Check our pricing page for rate limits on each plan.
"Can I use Google Sheets instead of Excel?"
Currently we focus on Excel files (.xlsx). You can export Google Sheets to Excel format and upload that. Native Google Sheets support is on our roadmap.
"Is my spreadsheet data secure?"
Your spreadsheet and data are encrypted at rest and in transit. We never expose your formulas — only the results. Your intellectual property stays protected.
"What happens if I update the Excel file?"
Upload the new version to SpreadAPI. Your API endpoint stays the same, but now uses the updated logic. No changes needed in your automations.
Give Your Automations a Brain
Stop building workarounds for complex calculations. Your Excel model + SpreadAPI = smarter automations in minutes.