You can access the Merge, Dedup & Transform Datasets programmatically from your own applications by using the Apify API. You can also choose the language preference from below. To use the Apify API, you’ll need an Apify account and your API token, found in Integrations settings in Apify Console.

Python

JavaScript

CLI

OpenAPI

HTTP

MCP

1from apify_client import ApifyClient
2
3# Initialize the ApifyClient with your Apify API token
4# Replace '<YOUR_API_TOKEN>' with your token.
5client = ApifyClient("<YOUR_API_TOKEN>")
6
7# Prepare the Actor input
8run_input = {
9    "preDedupTransformFunction": """async (items, { Apify }) => {
10    return items;
11}""",
12    "postDedupTransformFunction": """async (items, { Apify }) => {
13    return items;
14}""",
15    "customInputData": {},
16}
17
18# Run the Actor and wait for it to finish
19run = client.actor("lukaskrivka/dedup-datasets").call(run_input=run_input)
20
21# Fetch and print Actor results from the run's dataset (if there are any)
22print("💾 Check your data here: https://console.apify.com/storage/datasets/" + run["defaultDatasetId"])
23for item in client.dataset(run["defaultDatasetId"]).iterate_items():
24    print(item)
25
26# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

Merge, Dedup & Transform Datasets API in Python

The Apify API client for Python is the official library that allows you to use Merge, Dedup & Transform Datasets API in Python, providing convenience functions and automatic retries on errors.

Install the apify-client

$pip install apify-client

Other API clients include:

Merge, Dedup & Transform Datasets API in JavaScript

Merge, Dedup & Transform Datasets API through CLI

Merge, Dedup & Transform Datasets OpenAPI definition

Merge, Dedup & Transform Datasets API

Contact Details Merge & Deduplicate

lukaskrivka/contact-details-merge-deduplicate

Merge and deduplicate all contacts extracted by Contact Details Scraper. Works with multiple datasets. One row per domain.

Lukáš Křivka

115

Dataset Toolbox

cyberfly/dataset-toolbox

Perform common actions on datasets - merge, unify, validate, transform, order fields etc.

Vasek Codey Vlcek

🔥 Power Data Transformer

wiseek/power-data-transformer

🔥 Unlock your scraped data—clean, merge, split, deduplicate, filter, standardize, validate, enrich and sync—using built-in transformations and powerful SQL pipelines for ETL/ELT workflows. Seamlessly integrate processed datasets with automation platforms like n8n, Make.com, and Zapier.

wiseek

LLM Dataset Processor

dusan.vystrcil/llm-dataset-processor

Allows you to process output of other actors or stored dataset with single LLM prompt. It's useful if you need to enrich data, summarize content, extract specific information, or manipulate data in a structured way using AI.

Dušan Vystrčil

112

Data Cleaning Actor

tonic_teak/data-cleaning-actor

This actor automatically cleans, analyzes, and summarizes spreadsheet data. It handles different file types (CSV, XLSX), fixes missing values, detects outliers, generates charts, computes correlations, and returns a cleaned dataset along with downloadable files and visual insights.

Mitchell Wanjiru

Universal Data Cleaner V3

motivational_nickel/universal-data-cleaner

Enterprise-grade CSV/XLSX cleaning tool that automatically fixes headers, removes duplicates, normalizes emails and phone numbers, and repairs broken or inconsistent data. Delivers clean, analysis-ready files with 99%+ run success—perfect for CRM imports, lead pipelines, and automation workflows.

Leoncio Jr Coronado

Scraped Data Cleaner & Converter (No-Code CSV/JSON Tool) Rental

m3web/scraped-data-cleaner-rental

Clean and organize scraped .json or .csv data — no coding required. Remove duplicates, empty rows, unwanted columns, and sort by any field. Cleaned results are pushed to your Apify dataset. Perfect for marketers, researchers, and no-code workflows.

M3Web

5.0

Output to Dataset

njoylab/apify-output-to-dataset

Merges outputs from multiple actors into a single dataset. Execute actors in series or parallel, combine data from datasets, key-value stores, webhooks, and export the final output in various formats.

njoylab

5.0

Scraped Data Cleaner & Converter (No-Code CSV/JSON Tool) - PPE

m3web/scraped-data-cleaner-ppe

Clean and organize scraped .json or .csv data — no coding required. Remove duplicates, empty rows, unwanted columns, and sort by any field. Cleaned results are stored in Apify's Key-Value Store. Perfect for marketers, researchers, and no-code workflows.

M3Web

JSON to CSV Converter

eloquent_mountain/json-to-csv-converter

JSON to CSV Converter. Effortlessly transform JSON data into CSV with our Apify actor. Handle nested structures, expand lists into rows, and customize separators and delimiters. Input via URL or paste JSON text. Ideal for data analysis and reporting!