Daily Excel Data API Development

@irsolutions

With over 10 years of experience in web and mobile development, I understand the importance of automating data processes efficiently. Your project requires a skilled developer to create a Daily Excel Data API that supports JSON format for secure and efficient data transfer. In the realm of API development, I have successfully implemented similar projects in fintech and eCommerce domains, ensuring daily updates and data security. My expertise in handling Excel and JSON will enable me to deliver a tailored solution that meets your requirements. I encourage you to reach out so we can discuss the specifics of your project further. I am confident that my experience and skills make me the ideal candidate to automate your daily data processes seamlessly.

@tangramua

Dear ,   We carefully studied the description of your project and we can confirm that we understand your needs and are also interested in your project. Our team has the necessary resources to start your project as soon as possible and complete it in a very short time.   We are 25 years in this business and our technical specialists have strong experience in PHP, Visual Basic, Data Processing, Excel, Software Architecture, JSON, Data Integration, API Development and other technologies relevant to your project.   Please, review our profile https://www.freelancer.com/u/tangramua where you can find detailed information about our company, our portfolio, and the client's recent reviews.   Please contact us via Freelancer Chat to discuss your project in details.    Best regards, Sales department Tangram Canada Inc.     

@diektech

Hi, I’m Elias from Miami. I reviewed your scope carefully — the real goal is a reliable daily pipeline where JSON data becomes a consistently formatted Excel file, generated on schedule, transferred securely, and never duplicated or missed. I’d build a small API that accepts authenticated JSON payloads, validates the schema, and writes to an Excel template (stable headers, types, and formatting). Daily generation can be triggered by a scheduler (cron/Cloud Scheduler) or by your system posting once per day. I’d add idempotency keys so the “daily” file is created/updated exactly once, plus logging and alerts for failures. For security, I’d use HTTPS, API keys/JWT, least-privilege storage access, and optional IP allowlisting. Delivery can be S3/Blob storage link, SFTP push, or email attachment depending on your process. I’ve built data APIs and scheduled export pipelines with Excel templating, strict validation, and audit-friendly logs. I have a few questions for clarification: Q1. Should the Excel be appended daily (one growing workbook) or a new file per day? Q2. Do you have a required column template and formatting rules, or should I define a clean default? Q3. Where should the file be delivered (S3/Drive/SFTP/email), and who needs access?

@DeveloperStation

Hi, We’ve developed similar solutions where we created APIs to generate Excel files from JSON data. In one project, we built a Laravel API that converted JSON data into Excel files, allowing users to download them directly. We also implemented scheduled jobs to automate daily file generation, ensuring users received the latest data without manual effort. With 15 years of experience, I’ve worked extensively with PHP frameworks like Laravel and CodeIgniter, and I’m proficient in both front-end and back-end development. I’ve also led multiple agile teams, honing my skills in team management and effective communication. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best regards, Adil

@phpdeveloper100

With over 15 years of experience in Web Development, Web Designing, and Database Architecture, I can assure you of my proficiency in crafting a robust and efficient API for your project. My command over PHP aligns perfectly with the task at hand as I am well-versed in building scalable APIs that deliver data in various formats including JSON. Furthermore, having worked extensively with Excel and JSON handling, I am confident in my ability to create an API that seamlessly transfers data to your daily spreadsheets while maintaining their integrity and security. Apart from my technical expertise, I pride myself on being detail-oriented and committed to delivering high-quality work within set deadlines. I believe this quality will greatly benefit your project as it requires daily updates.

@Feriver

Hello, I can develop a secure API that outputs daily data to an Excel spreadsheet in JSON format. The API will automate daily updates, ensure efficient data transfer, and handle large datasets reliably. I will implement robust security measures to protect data during transit and ensure seamless integration with Excel. I have extensive experience building APIs that connect databases to Excel and JSON outputs, including scheduled automated updates and error handling. The solution will be fully documented, maintainable, and optimized for performance, allowing you to scale as needed. Questions: Should the Excel file be stored locally, on a cloud service, or emailed to recipients automatically? What is the expected data volume per day to ensure optimal API design and performance? Thanks, Asif

@usamae

Built REST APIs that output to Excel quite a few times - this is a pretty clean project. I'd use Node.js with exceljs (or Python with openpyxl if you prefer) to build an endpoint that takes JSON input, formats it, and generates/updates the spreadsheet. For the daily automation I'd set up a cron job to trigger it on schedule. Auth + rate limiting for security is straightforward to add. Couple of quick questions before I start: should it create a new file each day or append to one master spreadsheet? And where is the data coming from - are you pushing JSON to the API or should it pull from a source? Can have a basic working version up quickly once we nail the spec. - Usama

@AZTURK1

Hi there, I will build a secure PHP API that generates a new Excel file each day from JSON input and delivers it efficiently to your storage or download endpoint , my experience with PHP APIs, PhpSpreadsheet, cron scheduling and transport security makes me a strong fit. - Deliver daily Excel files (XLSX) generated from JSON via a PHP endpoint (PhpSpreadsheet) with configurable file naming and storage - Implement JSON input validation, schema mapping and error reporting; include sample payloads - Provide secure transfer: HTTPS, API key or OAuth2, rate-limiting and optional HMAC signing - Quality control: staged deploy, unit/integration tests, rollback and monitoring for failed daily runs Skills: ✅ API Development (PHP) ✅ JSON and Excel (PhpSpreadsheet / CSV) ✅ Data validation & schema mapping ✅ Deployment: cron / scheduler, AWS S3 or VPS storage ✅ Security: HTTPS, API keys/OAuth2, HMAC, input sanitization ✅ Performance: streaming write, batching for large datasets Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m available to start; What is the primary data source (database, webhook, uploaded JSON) and which authentication method do you prefer for the API (API key, OAuth2, HMAC)? Best regards,

@TechizeBuilder

Hi, I came across your project "Daily Excel Data API Development" and I'm confident I can help you with it. About Me: I'm a agency owner with over 8+ years of experience in PHP, API Development, JSON. , and I understand exactly what’s needed to deliver high-quality results on time. Why Choose Me? - ✅ Expertise in required Technologies and 1 year post deployment free support - ✅ On-time delivery and excellent communication - ✅ 100% satisfaction guarantee Let’s discuss your project in more detail. I’m available to start immediately and would love to hear more about your goals. Looking forward to working with you! Best regards, Deepak

@codefusion53

Hi I can build a secure API that automatically generates and updates a structured Excel file daily while supporting JSON based data exchange. I have experience developing lightweight APIs that process incoming data, validate the payload, and transform it into structured outputs such as Excel reports for automated workflows. The system will expose a clean API endpoint that accepts or returns JSON data, processes the information server side, and generates a formatted Excel file with daily updates. I can also implement scheduled automation so the spreadsheet is created or refreshed at a specific time each day. The solution will include validation, error handling, and secure access controls to ensure reliable and safe data transfer. The final setup will be efficient, easy to integrate with other systems, and designed so the Excel output remains consistent and structured for downstream use. Best, Justin

@GameOfWords

Daily Excel Data API Development I’m a full-stack software engineer with expertise in React, Node.js, Python, and cloud architectures, delivering scalable web and mobile applications that are secure, performant, and visually refined. I also specialize in AI integrations, chatbots, and workflow automations using OpenAI, LangChain, Pinecone, n8n, and Zapier, helping businesses build intelligent, future-ready solutions. I focus on creating clean, maintainable code that bridges backend logic with elegant frontend experiences. I’d love to help bring your project to life with a solution that works beautifully and thinks smartly. To review my samples and achievements, please visit:https://www.freelancer.com/u/GameOfWords Let’s bring your vision to life—connect with me today, and I’ll deliver a solution that works flawlessly and exceeds expectations.

@MIndlabsAi6

Hello, I am Vishal Maharaj, a seasoned professional with 20 years of expertise in PHP, Software Architecture, API Development, JSON, and Data Integration. I have carefully reviewed your project requirements and am confident in my ability to deliver a secure and efficient API solution for daily Excel data output in JSON format. I plan to create a custom API that will automate the daily updates to the Excel spreadsheet, ensuring seamless data transfer and adherence to data security practices. My experience in API development and proficiency in handling Excel and JSON will enable me to meet your project needs effectively. Let's discuss further details and initiate the chat to get started on this project. Cheers, Vishal Maharaj

@revival786

Greetings! I’m a top-rated freelancer with 16+ years of experience and a portfolio of 750+ satisfied clients. I specialize in delivering high-quality, professional daily excel data API development services tailored to your unique needs. Please feel free to message me to discuss your project and review my portfolio. I’d love to help bring your ideas to life! Looking forward to collaborating with you! Best regards, Revival

@kishanbwts

I understand you need an API that outputs daily data to an Excel file, supporting JSON format with secure and efficient transfer. I’ve helped a finance client automate daily report generation by building a similar API that extracted JSON data and formatted it into Excel spreadsheets automatically each day. To keep the data secure, I suggest implementing token-based authentication and HTTPS for data transfer. Would you prefer the Excel files to be generated and stored on your server or sent directly to a specified location via the API? Also, will the JSON data source be pushed to the API or fetched from an external system? This setup can be built quickly and run reliably with daily scheduling. I’m ready to start streamlining your data process immediately.

@asharib17

Hi there, This is a straightforward automation task, but it needs to be built cleanly to ensure reliability and security from day one. I’ve built APIs that generate structured reports (including Excel exports) from JSON payloads, with secure transfer and scheduled automation. I can design an endpoint that accepts or generates JSON data, validates it, and produces a daily Excel file automatically — either via scheduled job (cron) or event-based trigger. My approach: • Build secure REST API endpoint (JWT or token-based auth) • Validate and normalize incoming JSON • Generate properly structured Excel (.xlsx) with consistent schema • Implement automated daily generation process • Ensure encrypted transfer (HTTPS) and clean error logging Deliverables: • Production-ready API (Node.js or Python) • Automated daily Excel generation • Clean JSON schema definition • Secure authentication setup • Documentation for integration and maintenance The result: consistent daily spreadsheets, structured JSON handling, and a secure, automated pipeline you can rely on. Happy to share similar reporting/API automation work.

@ayesha86664

Hi there! I understand that manually updating Excel sheets with daily data can be time-consuming, and you need an automated solution that is secure and reliable. I have experience developing APIs that output data in JSON format and automate daily reporting into Excel spreadsheets. I am skilled in PHP, data integration, and Excel automation, ensuring secure and efficient data transfer. In previous projects, I have created automated workflows that update Excel files daily, handle JSON parsing, and maintain data integrity while keeping the system scalable and easy to maintain. My approach will ensure your daily Excel reports are automatically updated with accurate JSON data, securely delivered, and fully automated to save time and reduce errors. Check our work https://www.freelancer.com/u/ayesha86664 Could you share the type of data and the number of records expected daily for this API? Let me know if you’re interested & we can discuss it. Best Regards, Ayesha

@natanr28

HELLO, HOPE YOU ARE DOING WELL! You need an API that automates daily data updates to an Excel spreadsheet in JSON format. This aligns perfectly with my skills in API development and data processing. My plan is to build a secure and efficient API that meets your requirements, ensuring daily updates and proper data handling for Excel. I will implement best practices for data security throughout the process. I'd like to have a chat with you at least so I can demonstrate my abilities and prove that I'm the best fit for this project. Warm regards, Natan.

@Hubready

Hello!, I am a Florida-based senior software engineer with 15 years of experience in PHP, data processing, and API development. I carefully read your project description and am excited about the opportunity to create an API that outputs data to a daily Excel spreadsheet in JSON format. To ensure I fully understand your needs, could you please clarify the following questions? 1. What specific data will the API need to output to the Excel spreadsheet? 2. Are there any particular authentication or security requirements for the API? Given my extensive background, I can implement this project in clear phases: first, I'll design the API architecture, followed by development and testing, ensuring a smooth integration with your existing systems. I focus on building robust solutions that are practical and maintainable. I’ve worked on similar projects, including custom data pipelines and API integrations for various platforms. My commitment to clear communication and structured milestones will ensure that we stay aligned throughout the project. If you're looking for a serious developer who pays attention to detail and understands the requirements, I’d love to discuss this further. Let's chat! -James

@Hemantt841

You’re looking to develop an API that outputs data daily into an Excel spreadsheet with support for JSON format, ensuring secure and efficient data transfer. I understand the importance of automating this process with reliable daily updates and a focus on data security. With over 15 years of experience and more than 200 projects completed, I specialize in API integration and web development using PHP, along with expertise in handling Excel and JSON data formats. My background includes designing secure and efficient data processing workflows that align well with your requirements. For your project, I will build a PHP-based API that extracts and formats data in JSON, then automates the generation of Excel files daily using Visual Basic or PHP libraries. I will implement security best practices to protect data in transit and ensure smooth integration. This setup can be delivered within a few days depending on your specific data sources and update frequency. Feel free to reach out so we can discuss your needs in more detail and tailor the solution precisely.