
Closed
Posted
Paid on delivery
I am looking for Chainling BTCUSDT 1s resolution data from 12th febr 2026 to 14th july 2026. You must have a valid API and provide me those data.
Project ID: 40584731
56 proposals
Remote project
Active 6 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
56 freelancers are bidding on average €131 EUR for this job

Hi there, You're looking for a high-resolution time-series dataset of BTC/USDT prices from a specific Chainlink oracle. The objective is to extract every on-chain price update within a defined period and deliver it as a clean, structured file, likely for analysis or backtesting. Technical approach: I'll use a Node.js script with a web3 library, connecting to an archive node provider. The script will query the AnswerUpdated event logs from the specific Chainlink Data Feed contract. This method is highly efficient for capturing the exact price and timestamp for every update reported on-chain. Core modules: The main component is a data extraction script that targets a contract address and date range. It will paginate through historical event logs, collect the price (answer) and block timestamp for each update, and compile the results into a final, chronologically ordered dataset. Implementation strategy: First, we must confirm the correct date range, as the one provided is in the future. After clarification, I will locate the correct feed contract on the specified blockchain, run the extraction script, validate the data's integrity, and deliver the final file in your desired format. Regards, Rohit
€40 EUR in 2 days
5.8
5.8

Greetings! With over a decade in the Software Development industry, I believe that I have the skills and experience to successfully undertake your Project to provide comprehensive data on Chainlink BTC-USDT from 12th February 2026 to 14th July 2026 at a 1s resolution. As a Full-Stack developer, I have worked with various Web and Mobile app technologies including but not limited to React Native, Flutter, Angular, Laravel, and Node.js/Express.js. Notably, Python which could be highly beneficial for any future related AI automation needs. Thank you for considering my application and I look forward to the opportunity of contributing to your project!
€200 EUR in 2 days
5.4
5.4

I understand you need Chainlink BTC-USDT 1-second resolution data for the period of February 12th to July 14th, 2026, and require a valid API to access it. I've successfully retrieved and processed similar high-resolution, time-series crypto data for past clients. My approach will involve writing a Python script utilizing the `requests` library to interact with your provided Chainlink API. This script will iteratively fetch data points for the specified date range, ensuring accurate timestamping and BTC-USDT price capture. The raw data will be structured into a CSV file with columns for 'timestamp' and 'price'. Could you clarify if there are any specific rate limits on the API that I should be aware of during data retrieval? Ready to start as soon as you confirm scope.
€222 EUR in 21 days
5.1
5.1

I can retrieve and deliver the requested Chainlink BTCUSDT 1-second resolution data for your specified date range using a valid data source, ensuring the dataset is complete, accurate, and ready for analysis.
€30 EUR in 1 day
4.8
4.8

⭐⭐⭐⭐⭐ Get BTCUSDT 1s Resolution Data with a Valid API ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and noticed you're looking for BTCUSDT 1s resolution data from February 12, 2026, to July 14, 2026. Look no further; Zohaib is here to assist you! My team has successfully completed 50+ similar projects for cryptocurrency data retrieval. I will use a valid API to gather the required data efficiently and provide it to you within the agreed budget. ➡️ Why Me? I can easily deliver your BTCUSDT data project as I have 5 years of experience in data retrieval and API integration. My expertise includes working with various APIs, data analysis, and ensuring data accuracy. Besides, I have a strong grip on data visualization and reporting tools, which can enhance your project outcomes. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to discussing this with you! ➡️ Skills & Experience: ✅ API Integration ✅ Data Retrieval ✅ Data Analysis ✅ Data Visualization ✅ Data Reporting ✅ Scripting ✅ Python Programming ✅ SQL Databases ✅ Web Scraping ✅ Error Handling ✅ Data Manipulation ✅ Cryptocurrency Knowledge Waiting for your response! Best Regards, Zohaib
€150 EUR in 2 days
4.3
4.3

As an experienced data engineer specializing in financial data analytics, I can efficiently provide historical Chainlink BTCUSDT 1s resolution data from Feb 12, 2026, to July 14, 2026, via a robust API. Understanding your specific analytical objectives will allow me to tailor the deliverables to best suit your needs. I am committed to delivering reliable, accurate, and timely data to support your market analysis effectively. Let's discuss any preferences or additional insights you require to ensure a successful collaboration.
€225 EUR in 5 days
4.0
4.0

Hi there! You are looking for high resolution BTCUSDT market data, and the real challenge is ensuring the 1 second historical candles are complete, accurate, and sourced from a reliable API provider. I have worked with data driven systems involving financial APIs, automated data pipelines, and structured market datasets where accuracy and consistency are critical. My experience with API integration and data processing helps ensure clean delivery in the required format. I will retrieve and validate the Chainlink BTCUSDT 1s resolution data through a reliable API source, verify the requested date range, and provide the dataset in a clear format ready for analysis. Check our work: https://www.freelancer.com/u/ayesha86664 Which exact API source do you consider acceptable, or should I provide the data from a verified market data provider with API access? I am ready to start - just say the word. Best Regards, Ayesha
€122 EUR in 3 days
4.0
4.0

Hello, After reviewing your project requirements, I fully understand the scope and expectations. I have experience working with blockchain data sources, APIs, and market data integrations, and I’m available to assist with your BTCUSDT data requirements. I bring expertise in Blockchain, API Integration, Software Development, and Data Processing with over 10 years of experience. One of the key challenges with 1-second resolution market data is ensuring the source is reliable, timestamp-accurate, and complete across the requested period. I can help retrieve, validate, and structure the BTCUSDT tick/1s resolution dataset using a reliable API source while maintaining proper formatting for analysis. I have experience working with financial APIs, data extraction workflows, and large datasets requiring accuracy and consistency. I have a quick question: • Do you require the data in a specific format (CSV, JSON, database export), and do you already have a preferred data provider/API? I would be glad to discuss your requirements and help deliver a complete, validated dataset. Best regards, Carlos.
€30 EUR in 7 days
3.6
3.6

The key challenge here isn't just exporting BTCUSDT data—it's making sure the dataset actually covers every 1-second interval from 12 Feb 2026 through 14 Jul 2026 without gaps or duplicated timestamps, since those are common issues with high-frequency market data. If you already have a preferred Chainlink data source or API, I'll retrieve the requested range, verify the timestamps are continuous, and deliver the data in a format that's straightforward to work with. For a dataset at 1-second resolution, I'll also check for any missing records or API pagination limits before compiling the final output. Which output format do you need—CSV, JSON, or something else?
€140 EUR in 7 days
3.7
3.7

You’re requesting Chainlink BTC-USDT 1s resolution data from 12 Feb 2026 to 14 Jul 2026, and you want delivery backed by a valid API. I can retrieve the required time-range at 1-second granularity (where supported), validate continuity across the requested window, and return the dataset in a usable format (CSV/JSON) with clear timestamps and schema. The process includes: API integration with authentication, automated fetching with pagination/rate-limit handling, consistency checks (missing/duplicate points), and reproducible export scripts so you can rerun the pull if needed. This is designed specifically for Chainlink BTC-USDT and the exact date range you specified.
€30 EUR in 6 days
3.7
3.7

As an experienced and passionate individual in web and mobile development, I possess profound skills and knowledge on Blockchain implementation and creating software that caters to your specific needs. My core expertise also extends to cross-platform compatibility, which is essential when using APIs like the one you require for this project. In addition, my 9+ years of experience have greatly honed my skill set including Android, iOS, Mobile Phone, Java, and PHP among others. This includes proficiency with E-commerce as well as CMS based websites like the one you probably run for your Chainlink BTC-USDT data requirements. Utilizing a number of APIs over the years has given me the ability to efficiently extract data while maintaining its integrity. Finally, my clients are always highly satisfied with my work beyond project delivery as I offer free 3-month support for any issues that may arise. Moreover, I provide cost-effective solutions without compromising quality or functioning. I believe in turning **IDEAS TO REALTY** effectively and sensibly. Choose me for this job and let's make your data requirements a reality together. Thank you!
€140 EUR in 7 days
4.4
4.4

Ciao, Chainling BTCUSDT 1s resolution data from 12th febr 2026 to 14th july 2026 – you need a valid API to deliver the full dataset. Userò un piccolo script Python con richieste asincrone per interrogare l'API di Chainlink e salvare i dati in CSV; così la latenza rimane sotto i 200 ms e il processo è stabile anche per lunghi periodi. Gestirò eventuali limiti di rate‑limit impostando una coda con back‑off esponenziale, così non perderemo nessun punto dati. Preferisci il separatore CSV a virgola o a punto‑virgola? Grazie per l'opportunità. Abror Yakubov
€120 EUR in 4 days
3.0
3.0

As the Founder of Solves Inn, an esteemed software development studio, my expertise and dedication to delivering exceptional solutions align perfectly with your requirements. A crucial aspect of our business is utilizing APIs and integrations, precisely what you need for retrieving Chainlink BTC-USDT data. Let me assure you, I do have access to a valid API and can efficiently provide you with the data for Feb 12th to July 14th, 2026. With a strong-suite in languages such as PHP, Python and JavaScript, coupled with our experience in Blockchain technology, I am well-versed in handling large amounts of data with precision. Our proficiency extends to working with different resolutions and timeframes which is extremely important for this project. By choosing Solves Inn, not only will you have a seamless access to the required data but also benefit from our commitment to long-term client relationships. I understand the value of reliable delivery and am dedicated to creating solutions that grow with your business. Let's embark on this journey together and transform your complex requirement into a clean, high-impact system that drives lasting success!
€100 EUR in 4 days
2.6
2.6

I am ready to provide the Chainlink BTC-USDT 1s resolution data you need, covering from 12th Feb 2026 to 14th July 2026, ensuring accuracy and timely delivery. My experience with APIs guarantees a smooth process to access and deliver the required data efficiently. Could you please clarify if there are specific formats or additional data points you require beyond the basic BTC-USDT 1s resolution data?
€124 EUR in 20 days
2.4
2.4

Hi, I can help collect and deliver Chainlink BTC-USDT/BTC price-feed data from 12 Feb 2026 to 14 Jul 2026 in a clean, analysis-ready format. The best solution is to first confirm the exact feed required, network, timestamp format, timezone, and whether you need true recorded oracle updates or a 1-second resampled dataset. I’ll then use a valid API/data provider to extract the available historical records, validate timestamps and values, remove duplicates, and prepare the final file for analysis. I’m comfortable with blockchain data, Chainlink price feeds, API-based data extraction, Python, CSV/JSON formatting, timestamp normalization, data validation, and large historical datasets. Deliverables will include: * BTC-USDT/BTC historical data * Date range: 12 Feb 2026 to 14 Jul 2026 * 1-second resolution where supported * Timestamp and price fields * Clean CSV/Excel/JSON output * Duplicate and missing-data checks * API/source reference * Data quality notes I’ll clearly document whether each row comes from actual Chainlink feed updates or from valid 1-second resampling, so the dataset is transparent and reliable. Best regards Ankit
€50 EUR in 1 day
1.4
1.4

Pulling 1-second candles for months can exceed typical API quotas, so I’ll use pagination and back-off logic. I’ll set up a Python script that calls the Chainlink node, writes the data to CSV, and checks for gaps. A common mistake is assuming the feed returns a perfect series, which often leaves missing timestamps. You’ll get a verified dataset ready for analysis, with any gaps filled or flagged.
€200 EUR in 5 days
1.6
1.6

Hello, I have experience working with blockchain data APIs and time-series market data. I can provide the Chainlink BTCUSDT 1-second resolution data for the requested period (12 Feb 2026 – 14 Jul 2026) using a valid data source/API, ensuring the dataset is complete, accurate, and delivered in your preferred format (CSV/JSON). I can start immediately and deliver the data with clear documentation if required.
€120 EUR in 2 days
1.7
1.7

Hello Sourcing precise 1-second BTC/USDT data—whether from Chainlink oracle updates or raw exchange feeds—is difficult due to API rate limits and sheer file size. I can extract and structure this exact dataset for you in CSV or Parquet format. I have built similar high-frequency crypto data pipelines for algorithmic backtesting. What specific date range do you need? I can generate a quick sample for you to review. Giáp Văn Hưng
€250 EUR in 7 days
1.1
1.1

Hello. I can help you collect BTCUSDT 1-second resolution market data using reliable exchange APIs and provide the required dataset in a structured format. I can work with historical crypto data sources, API integration, and data processing to ensure the information is accurate and usable. I can prepare the data with proper timestamps and required fields based on your needs. Please share the exact Chainlink data format requirements so I can confirm the best source and delivery method. So I am sure I can complete this project perfectly as you want. Please send me a message so that we can discuss more. Thanks, Yehor.
€100 EUR in 7 days
0.0
0.0

Hi there, I can help you collect BTCUSDT 1-second resolution data for the requested period using reliable exchange APIs or approved data sources. I have experience with market data pipelines, trading APIs, and automated data extraction for trading systems. Before proceeding, I would verify the exact exchange/source, required fields (OHLCV, trades, order book, etc.), and deliver the data in your preferred format such as CSV or Parquet. Let's connect and get started soon. Best regards, Binaya T.
€112 EUR in 1 day
0.0
0.0

Porto Sant\'Elpidio, Italy
Payment method verified
Member since Apr 6, 2020
€8-30 EUR
€8-30 EUR
€12-18 EUR / hour
€8-30 EUR
€250-750 EUR
₹750-1250 INR / hour
$250-750 USD
min $50 USD / hour
$10-20 USD
$5000-10000 USD
$1500-3000 USD
₹1500-12500 INR
$1500 USD
$20-30 NZD / hour
$1500 USD
$250-750 USD
$30-60 SGD / hour
$30-250 USD
$15-25 USD / hour
$250-750 AUD
€30-250 EUR
$1500 USD
₹600-1500 INR
₹100-400 INR / hour
$1500 USD