
Closed
Posted
I’m looking for an experienced Python developer to build a lightweight script that automates data processing from multiple REST APIs. Scope: - Fetch data from several APIs - Handle real-time responses - Clean and transform data - Output structured data ready for analytics use Requirements: - Command-line script (headless) - Accept arguments (API key, date range, output path) - Error handling (rate limits, bad responses) - Logging for debugging Preferred: - Experience with APIs and data pipelines - Python (requests, pandas) - Clean and maintainable code Deliverables: - Fully working script - Clear instructions to run it
Project ID: 40385230
44 proposals
Remote project
Active 24 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
44 freelancers are bidding on average $8 USD/hour for this job

With over 13 years of experience in Python script development, I'm more than ready to take on your automation and API scraping project. My varied background includes projects just like yours – automating REST API workflows and managing data processing from multiple sources. I'll utilize my deep knowledge of Python libraries like Requests and Pandas to fetch, clean, transform and output your structured data for seamless analytics use. Moreover, being detail-oriented, I understand the importance of clean, maintainable code and will ensure that your command-line script comes with robust error-handling (rate-limiting and bad responses) as well as logging for swift debugging. To maintain transparency throughout the process,I'll provide easy-to-understand instructions on running the script effectively.I'm looking forward to working with you!
$5 USD in 40 days
7.2
7.2

EXPERT PYTHON DATA ENGINEER WITH PROVEN EXPERIENCE IN BUILDING MULTI-API AUTOMATION AND REAL-TIME DATA PIPELINES I have worked on similar API aggregation and data processing systems where multiple REST endpoints were unified into a clean, structured analytics-ready pipeline with strong error handling and logging. Scope: I will develop a lightweight, production-ready Python CLI script that automates data extraction, transformation, and export from multiple APIs with high reliability and maintainability. Core Features: Multi-API data fetching using secure API authentication Real-time response handling with retry + backoff logic for rate limits and failures Data cleaning and transformation using Pandas Structured output generation (CSV/JSON/Parquet for analytics use) CLI-based execution with arguments (API key, date range, output path) Robust logging system for debugging and monitoring Modular, reusable code structure for future expansion User Role: Analyst/User: runs CLI script with parameters to generate clean datasets for reporting and analytics Deliverables: Fully functional Python script (production-ready) Clean, documented, and modular source code Setup and execution guide (README) Error handling + logging framework integrated I will also provide 2 YEARS FREE ONGOING SUPPORT post-launch for bug fixes, minor enhancements, and compatibility updates, along with complete source code ownership.
$5 USD in 40 days
7.5
7.5

Dear Client, This is a solid use case for a clean, reliable Python data pipeline, and I’d be happy to build it for you. My approach: I will design a lightweight, modular CLI script using requests + pandas, structured so each API is handled independently and can be extended later. The script will accept arguments (API keys, date range, output path) via argparse and run headlessly. Core flow: Fetch data from multiple APIs with proper retry + rate-limit handling Normalize and clean/transform responses into a consistent schema Merge or structure outputs based on your analytics needs Export to CSV/JSON (or both), ready for downstream use I will also implement: Robust error handling (timeouts, invalid responses, partial failures) Clear logging (info + debug levels) for traceability Clean, well-commented code so it’s easy to maintain or extend A few questions: How many APIs are involved, and do they share similar response structures? What output format do you prefer (CSV, JSON, database-ready)? Will this run on a schedule (cron) or manually? I can deliver a clean, production-ready script quickly. Best regards, Rekha!!!
$10 USD in 40 days
7.8
7.8

With my extensive experience in both Python and software development, I am confident in my ability to deliver an outstanding solution for your data processing project. I understand the importance of handling real-time responses, cleaning and transforming data, and ultimately producing structured data primed for analytics use. My proficiency in Python libraries such as Requests and Pandas ensures that I can handle API fetches with ease and manipulate the data efficiently. Moreover, my skills have been honed over time in structuring clean, maintainable code that is easy to use and understand for future users. Additionally, I prioritize error handling and implement robust logging strategies into my scripts to ensure smooth functioning under all circumstances, including potential rate limits and bad responses. I also want to highlight another feather in my cap: my consistent ranking amongst the top 1% of freelancers. It is symbolic not only of the satisfaction-orientated quality of work I deliver but also the trust clients place in me. Rest assured, my end product will be a fully functioning script that meets all your requirements and comes with clear instructions for seamless execution. Choose me, choose excellence!
$5 USD in 40 days
6.3
6.3

Hello There!!! ★★★★ ( Lightweight Python script for multi-API data automation with clean outputs ) ★★★★ I’ve understood you need a headless Python script to fetch from multiple APIs, handle real-time responses, clean/transform data, and output analytics-ready results with CLI inputs, logging, and error handling. ⚜ Multi-API data fetching (REST) ⚜ Real-time response handling ⚜ Data cleaning & transformation ⚜ CLI args (key, date, output path) ⚜ Logging & debugging setup ⚜ Rate limit & error handling ⚜ Structured output (CSV/JSON) I’ve built similar automation scripts and data pipelines using Python, requests, and pandas, focusing on clean and maintainable code. I enjoy making scripts simple yet powerful. My approach is modular design, robust error handling, and clear CLI interface. I’ll ensure smooth run and easy setup instrcutions. Happy to get started quickly and discuss details. Warm Regards, Farhin B.
$5 USD in 40 days
6.5
6.5

Hi, the clean way to build this is as a command line pipeline where each API source is fetched through a consistent adapter, then all responses are normalized into one common output shape before export. A real flow would be: you run the script with API key, date range, and output path -> script pulls from each endpoint -> validates responses -> cleans and transforms the data -> writes a structured file ready for analytics. These scripts often look done, but fail when one API rate limits, returns partial payloads, or shifts a field type and the whole run breaks. One real issue is mixed response formats causing silent bad data in the final output, so I handle it by validating each source before merge, logging every failure clearly, and isolating retries per API. The part to get right early is the normalization layer, because that controls both correctness and how easily the script can grow later.
$20 USD in 40 days
6.2
6.2

Hi there, I am a Data Scientist and am a professional responsible for extracting actionable insights and knowledge from large volumes of data. As an experienced Data Scientist in the field of machine learning, I am highly proficient in Python and have a deep understanding of algorithms and data structures. My skills make me a great fit for your project as I can guide you through comprehensive coverage of data structures and algorithms while providing patient and thorough explanations. I have over 12-plus years of experience with Python Library Pandas, Karas, TensorFlow, NumPy, PyCharm, Py torch, Open CV, NLP, and others. With over a decade's worth of experience under my belt, including expertise in NLP, Neural Networks, CNNs, RNNs, LSTM, GANs just to mention a few, I can provide you not only with knowledge but also how to apply it efficiently. Partnering with me ensures you have a patient, knowledgeable and skilled tutor who is dedicated to your success in this field. My top priority is to provide a high quality of work, https://www.freelancer.com/u/GdevDataSceince Let's discuss this further via chat, and I'll start your project right now. Thanks Gdev
$5 USD in 40 days
5.8
5.8

Hi, Muhammad Muneeb here. I can build a clean, reliable Python CLI script that fetches data from multiple REST APIs, processes it in real time, and outputs analytics-ready structured data. I have strong experience designing API-driven data pipelines using requests and pandas, with a focus on stability and maintainability. I’ll implement argument parsing (API key, date range, output path), robust error handling for rate limits and failed responses (with retries/backoff), and detailed logging for debugging and traceability. The transformation layer will standardize and clean responses into consistent schemas, ready for downstream analysis. The script will be modular, well-documented, and easy to extend if new APIs are added later. You’ll receive a fully working solution along with clear setup and usage instructions. I maintain high professionalism and ensure the script runs smoothly end-to-end on your environment. Ready to start once API details are shared.
$5 USD in 40 days
5.4
5.4

Hi there, I can provide you a python script that will automate multiple API in required format. Let’s connect right away. Thank you.
$5 USD in 40 days
4.7
4.7

Hi there, I am A.R.M. MASUD, with a strong Data Science background. As a Python developer, I have extensive experience building robust, scalable, and efficient solutions that address various business needs. I understand the importance of delivering high-quality, well-architected code, and I am committed to working closely with you to ensure the success of this project. I implement core functionality using Python, utilizing relevant libraries and frameworks such as Pandas, NumPy, GUI, SciPy, Matplotlib, Seaborn, Plotly, Scikit-learn, TensorFlow, Keras, PyTorch, spaCy, Flask, Django, FastAPI, OpenCV, and Jupyter. I am a professional responsible for extracting actionable insights and knowledge from large volumes of data through Machine Learning models, including CNNs, RNNs, LSTMs, GANs, Transformers, FNNs, ANNs, and DNNs. I conduct comprehensive unit, integration, and performance testing to ensure the solution is error-free and optimized. https://www.freelancer.com/u/MZITSERVICES I appreciate the opportunity to submit this proposal and am excited about the possibility of working with you to bring your project to life. Thanks A.R.M MASUD
$5 USD in 40 days
4.5
4.5

Having a consolidated experience of more than 5 years in full stack development, AI integration and automation, I am uniquely qualified for your project. My expertise with APIs and data pipelines combined with an intimate understanding of Python, requests, and pandas will allow me to build a scalable and efficient solution for automating data processing from multiple REST APIs.
$5 USD in 40 days
4.4
4.4

Hi there, Strong fit for this work with experience building Python automation scripts and API-driven data pipelines for clean, reliable outputs. Clear understanding of fetching data from multiple APIs, handling real-time responses, transforming datasets, and delivering structured outputs via a command-line tool. Expertise in Python (requests, pandas) ensures efficient processing, argument handling, logging, and robust error management for rate limits and failures. Risk stays controlled through validation, retry logic, and clean modular code for maintainability. Available to start immediately—happy to align on API structure and deliver quickly. Recent work: https://www.freelancer.com/u/chiragardeshna Regards Chirag
$5 USD in 40 days
4.6
4.6

With 8+ years of experience in Python development and data engineering, I specialize in building reliable API-driven data pipelines, automation scripts, and backend processing systems. I’ve worked extensively with REST APIs, data transformation workflows, and production-ready automation tools designed for scalability and clean analytics output. REST API integration and multi-source data ingestion Real-time data processing and transformation pipelines CLI-based Python tools with argument handling Robust error handling (rate limits, retries, logging) Data cleaning and structuring using Pandas Maintainable, production-ready code architecture Let’s connect.
$8 USD in 40 days
4.6
4.6

I can build a lightweight, reliable Python automation script that handles your data extraction needs via APIs. This will focus on efficiency, clear structure, and easy maintenance so you can run it repeatedly without headaches. I’ve delivered similar Python-based scrapers and automation tools for clients needing structured data pulled from REST APIs and web sources, including handling authentication, pagination, rate limits, and error recovery. My solutions are usually designed to plug directly into existing workflows or simple storage like CSV, JSON, or databases. My approach would be to clarify your exact data points and sources, design a clean modular script, implement robust logging/error handling, and document how to run and extend it. I would love to chat more about your project! Regards
$5 USD in 7 days
4.1
4.1

Dear Sir/Madam, I am an experienced Python Developer with strong expertise in building scalable backend systems, APIs, automation tools, and full-stack applications. I specialize in delivering clean, efficient, and production-ready solutions. I have successfully developed and deployed multiple live applications including healthcare platforms, legal service apps, school management systems, fintech apps, and real-time communication systems. My Core Python Expertise ✔ Django & Django REST Framework ✔ FastAPI (High-performance APIs) ✔ Flask ✔ SQLModel / SQLAlchemy ✔ PostgreSQL / MySQL / MongoDB ✔ Supabase Integration ✔ Authentication (JWT, OAuth) ✔ Payment Gateway Integration (PhonePe, Razorpay, Stripe) ✔ Web Scraping (BeautifulSoup, Selenium) ✔ Automation Scripts ✔ WebSocket & Real-time Systems ✔ Docker Deployment ✔ AWS / VPS Deployment ✔ REST API Design & Optimization What I Can Build For You Secure REST APIs SaaS backend architecture Admin dashboards Real-time chat systems Payment systems Data processing systems Microservices architecture AI/ML API integration Custom business logic systems Recent Project Experience Healthcare booking & wallet system Legal consultation backend platform School ERP & management API Fintech wallet & transaction management Real-time chat application (WebSocket + MQTT) Location-based services & geo APIs
$4 USD in 40 days
4.3
4.3

Having immersed myself in the art of programming for close to a decade, I am confident that my wide skill set aligns perfectly with your Python Automation & API Scraper project. Having dabbled in languages such as PHP, Python, and gone the full cycle from front end (Vue.js) to back end (Node.js, C#), I have honed my data processing skills to a fine edge. REST API and web scraping are playgrounds familiar to me. In my numerous years as a freelancer, I've tackled projects demanding data manipulation and have always delivered robust and meticulously clean code. My knack for creating clean and maintainable code could be attributed to my strong belief that aesthetics aren't confined to just visual media but is equally necessary in programing. My expertise encompasses more than just my technical know-how; I am an experienced problem solver who thrives under pressure. Through the years, I've become familiar with the buffet of hurdles present in automation projects such as yours – rate limits, bad responses, real-time responses – to name just a few. Integrating error handling mechanisms tailored specifically for your needs would be no challenge at all! So let me take lead here,and together, let's craft a solution that meets your unique requirements and exceeds your expectations.
$5 USD in 40 days
3.6
3.6

Hello, I have 8+ years of experience in Python automation and API integrations, and I can build a clean, reliable script for your data processing needs. I’ll develop a lightweight command-line tool using requests and pandas to fetch data from multiple APIs, handle rate limits and errors, and transform it into structured output ready for analytics. The script will support arguments like API keys, date ranges, and output paths, with proper logging for easy debugging. I focus on writing modular, well-documented code so it’s easy to maintain and extend as your data sources grow. I’ve worked on similar API automation and data pipeline tasks and can start immediately. Thanks
$5 USD in 40 days
3.0
3.0

Hello, I read your Python Automation & API Scraper brief and I can deliver a lightweight, headless command-line script that fetches, cleans and transforms data from multiple REST APIs into structured outputs for analytics. I will build a clear CLI that accepts API key, date range and output path, use requests for resilient fetching with rate-limit backoff, parse and normalize real-time responses with pandas, add robust error handling and concise logging for debugging, and provide runnable instructions. Implementation will use modular functions, retries with exponential backoff, schema validation and CSV/JSON outputs. I can keep real-time communication in your time zone and deliver a simple demo within 12 hours of start. What authentication formats and API response schemas should I expect and are there any rate-limit details I should know?Which APIs should I prioritize first and can you share a sample response or schema for each? Sincerely, Cindy Viorina
$10 USD in 39 days
3.1
3.1

I can help you with this. You need a headless Python script that pulls from multiple REST APIs, handles live responses, cleans the data, and exports analytics-ready output without breaking on rate limits or bad payloads. I’ve built similar API automation and data processing scripts using Python, requests, and pandas for reliable reporting workflows. I’ll write a clean CLI script that accepts API key, date range, and output path, with solid logging, error handling, and clear transformation steps so the output is structured and ready to use. Let’s talk.
$8 USD in 40 days
2.9
2.9

Hi there, and warm greetings, I am Farhan Shabbir, a professional freelancer working as a Python developer with experience in API integrations and data processing automation. I understand you need a lightweight Python script that can efficiently pull and process data from multiple REST APIs, ensuring smooth handling, accuracy, and reliable output. ◉ I will build a clean and efficient script to fetch data from multiple APIs with proper request handling ◉ I will process and structure the data in a clear format based on your requirements ◉ I will include error handling and logging so the script runs reliably without interruptions ◉ I will keep the code lightweight, readable, and easy to maintain or extend in future My approach will focus on creating a simple but robust solution that automates your workflow and saves time while ensuring consistent and accurate data processing. Risk-Free Guarantee → No upfront payment. Pay only when satisfied, with full money-back assurance.
$2 USD in 24 days
2.0
2.0

Ismailia, Egypt
Member since Apr 20, 2026
$6-8 USD / hour
$30-250 USD
$30-250 USD
$250-750 USD
min $50 USD / hour
₹12500-37500 INR
₹12500-37500 INR
$14-60 NZD
$250-750 USD
$15-25 USD / hour
₹75000-150000 INR
$30-250 USD
₹75000-150000 INR
$30-250 USD
₹500000-1000000 INR
₹750-1250 INR / hour
₹1500-12500 INR
$15-25 USD / hour
$3000-5000 AUD
$10000-20000 USD