# Get Started with CarbonSutra Welcome! Whether you are a developer integrating Scope 1, 2, and 3 calculations into an enterprise ERP, an ESG manager running bulk calculations in spreadsheets, or an AI builder deploying autonomous agents, we’ve made getting started as effortless as possible. Choose the path below that best fits your workflow: --- ## 🧭 Choose Your Route 1. ⚑ [Risk-Free Immediate Test](https://www.google.com/search?q=%231-risk-free-immediate-test) β€” *I just want to test API outputs right nowβ€”no credit card or commitment required.* 2. πŸ”Œ [Commercial Gateways & Marketplaces](https://www.google.com/search?q=%232-commercial-gateways--marketplaces) β€” *I’m ready to sign up via my favorite API gateway or platform.* 3. πŸ“Š [Google Sheets Integration](https://www.google.com/search?q=%233-starting-with-google-sheets) β€” *I want code-free carbon calculations directly inside my spreadsheets.* 4. 🏒 [Unlimited / Enterprise Access](https://www.google.com/search?q=%234-unlimited--enterprise-access) β€” *We process massive transaction volumes and need a flat monthly billing option.* 5. πŸ› οΈ [Custom APIs & Specialized Workflows](https://www.google.com/search?q=%235-custom-apis--tailored-solutions) β€” *I need custom calculation engines, clustering, or tailored data models.* --- ## 1. Risk-Free Immediate Test Want to see how CarbonSutra handles your specific emission parameters without setting up payment details? You can run live queries directly from your browser in seconds[cite: 4]. ### How it works: 1. Head over to our **[API Playground](https://carbonsutra.com/api-playground)**. 2. Enter your email to generate an **Authorization Code** (it arrives instantly in your inboxβ€”be sure to check your spam folder just in case!). 3. In the Playground, select your desired endpoint (e.g., Business Flights, Vehicle Models, Hotel Stays, Freight, or Electricity). 4. Paste your code into the **Authorization** tab, configure your test inputs in the **Params** tab, and hit **Send**! --- ## 2. Commercial Gateways & Marketplaces If you already use an API catalog or marketplace to manage your developer dependencies, you can launch CarbonSutra through any of our supported hubs. Pricing is virtually identical across platforms, and all of them include a generous free tier. Pick your preferred platform: * 🌐 **[RapidAPI (Nokia API Hub)](https://rapidapi.com/carbonsutra/api/carbonsutra1)** β€” Instant testing sandbox, automatic SDK generation, and simple subscription management. * πŸš€ **[Postman Public Workspace](https://documenter.getpostman.com/view/23339876/2sBY4SKxsd)** β€” Fork our collections, test environment variables, and inspect raw JSON payloads. * πŸ›’ **[API.Market](https://api.market/store/contactous/carbonsutra)** β€” Seamless marketplace discovery and integration. * ⚑ **[ZYLA API Interface](https://zylalabs.com/api-marketplace/sustainability+%26+green+tech/carbon+emission+calculation+api/13723)** β€” Quick setup for sustainability tech stacks. *(We are expanding rapidly and adding 2 more major API platforms soon!)* --- ## 3. Starting with Google Sheets Not writing application code today? No problem! Accessing CarbonSutra via Google Sheets is actually our **most popular route** for non-technical users, accountants, and ESG leads managing bulk data. * **Pre-Built Custom Functions:** Execute custom spreadsheet formulas like `=CO2FLIGHT()`, `=CO2HOTEL()`, `=CO2VEHICLEMODEL()`, `=CO2ELECTRICITY()`, and `=CO2FREIGHT()` straight inside your cells. * **Open Source Source Code:** We provide 9 fully commented, ready-to-use Google Apps Script functions so you can inspect the code or deploy it instantly. πŸ‘‰ **[Explore 9 Sample Functions & Google Sheets Setup Guide](https://carbonsutra.com/google-sheet-functions)** --- ## 4. Unlimited / Enterprise Access For high-throughput applications, ERP integrations, and enterprise logistics platforms, pay-per-use metering isn't always optimal. If your organization processes millions of calculations or requires predictable periodic budgeting: * We offer **Flat Monthly / Annual Unlimited Plans** tailored to your throughput requirements. * Includes priority response SLAs, dedicated technical support, and high-concurrency rate limits. πŸ“§ **Get a Flat-Rate Quote:** Drop us a note at **support@carbonsutra.com** with your estimated monthly transaction volumes, and our team will get back to you right away! --- ## 5. Custom APIs & Tailored Solutions Have unique operational parameters, proprietary fuel baselines, or complex logistics requirements? We regularly build custom API endpoints and specialized data processing tools for enterprise clients. * **Zero-Storage Data Clustering:** Group and consolidate batch calculations under your own custom labels without managing database state on your end. * **Custom Emission Factors & Region Models:** Integrate custom supplier factors or regional standards (like the Singapore Emission Factors Registry). * **AI & Agentic Pipelines:** Connect our engine directly to AI workflows using our native Model Context Protocol (MCP) Server. πŸ“§ **Talk to an Engineer:** Share your requirements with us at **support@carbonsutra.com**β€”we'd love to help you build it!