# Synthetic Financial Data Generator (`jungle_synthesizer/synthetic-financial-data-generator`) Actor

Generate realistic synthetic financial transaction data with category-aware amounts, temporal spending patterns, running balances, and configurable fraud labels for ML training and fintech testing

- **URL**: https://apify.com/jungle\_synthesizer/synthetic-financial-data-generator.md
- **Developed by:** [BowTiedRaccoon](https://apify.com/jungle_synthesizer) (community)
- **Categories:** Developer tools, Business, Automation
- **Stats:** 2 total users, 1 monthly users, 100.0% runs succeeded, NaN bookmarks
- **User rating**: No ratings yet

## Pricing

Pay per event

This Actor is paid per event. You are not charged for the Apify platform usage, but only a fixed price for specific events.

Learn more: https://docs.apify.com/platform/actors/running/actors-in-store#pay-per-event

## What's an Apify Actor?

Actors are a software tools running on the Apify platform, for all kinds of web data extraction and automation use cases.
In Batch mode, an Actor accepts a well-defined JSON input, performs an action which can take anything from a few seconds to a few hours,
and optionally produces a well-defined JSON output, datasets with results, or files in key-value store.
In Standby mode, an Actor provides a web server which can be used as a website, API, or an MCP server.
Actors are written with capital "A".

## How to integrate an Actor?

If asked about integration, you help developers integrate Actors into their projects.
You adapt to their stack and deliver integrations that are safe, well-documented, and production-ready.
The best way to integrate Actors is as follows.

In JavaScript/TypeScript projects, use official [JavaScript/TypeScript client](https://docs.apify.com/api/client/js.md):

```bash
npm install apify-client
```

In Python projects, use official [Python client library](https://docs.apify.com/api/client/python.md):

```bash
pip install apify-client
```

In shell scripts, use [Apify CLI](https://docs.apify.com/cli/docs.md):

````bash
# MacOS / Linux
curl -fsSL https://apify.com/install-cli.sh | bash
# Windows
irm https://apify.com/install-cli.ps1 | iex
```bash

In AI frameworks, you might use the [Apify MCP server](https://docs.apify.com/platform/integrations/mcp.md).

If your project is in a different language, use the [REST API](https://docs.apify.com/api/v2.md).

For usage examples, see the [API](#api) section below.

For more details, see Apify documentation as [Markdown index](https://docs.apify.com/llms.txt) and [Markdown full-text](https://docs.apify.com/llms-full.txt).


# README

## Synthetic Financial Data Generator

Generate realistic synthetic financial transaction data for ML training, fintech testing, and data pipeline development. Produces bank-statement-quality records with category-aware amounts, temporal spending patterns, running balances, and configurable fraud labels.

### What it does

This actor generates synthetic financial transactions that mimic real banking data. No web scraping is involved -- all data is computed locally using statistical models.

Each transaction includes:
- **Account details** -- holder name, account type (checking, savings, credit, investment), account ID
- **Transaction data** -- amount, date, category, merchant name, MCC code, description
- **Running balance** -- accurate per-account balance tracking across all transactions
- **Fraud labels** (optional) -- binary fraud flag, fraud type classification, anomaly score

#### Categories and amount distributions

Transactions are distributed across 12 spending categories with realistic amount ranges:

| Category | Range | Distribution |
|----------|-------|-------------|
| Groceries | $15 -- $250 | Log-normal (mean $65) |
| Rent | $800 -- $3,500 | Normal (mean $1,500) |
| Salary | $2,000 -- $8,000 | Normal (mean $4,500) |
| Dining | $8 -- $120 | Log-normal (mean $35) |
| Coffee | $3 -- $9 | Normal (mean $5.50) |
| Shopping | $10 -- $500 | Log-normal (mean $75) |
| Transport | $2 -- $100 | Log-normal (mean $25) |
| Utilities | $40 -- $350 | Normal (mean $150) |
| Entertainment | $5 -- $80 | Log-normal (mean $25) |
| Healthcare | $15 -- $600 | Log-normal (mean $120) |
| Subscriptions | $5 -- $50 | Normal (mean $15) |
| Transfers | $50 -- $2,000 | Log-normal (mean $500) |

#### Temporal patterns

- **Weekday/weekend bias** -- coffee and transport spike on weekdays; dining and entertainment spike on weekends
- **Recurring transactions** -- salary deposits (1st and 15th), rent (1st), utilities (15th), subscriptions (variable day)
- **Seasonal multipliers** -- spending increases in November (1.15x) and December (1.30x), dips in January (0.85x)
- **Time-of-day realism** -- coffee purchases at 6-11 AM, dining at 11 AM-10 PM, salary at 8 AM

#### Fraud injection

When enabled, a configurable percentage of transactions are flagged as fraudulent with:
- **Fraud types**: card_stolen, account_takeover, card_not_present, synthetic_identity
- **Anomaly pattern**: fraudulent amounts are 2-8x the normal category maximum
- **Fraud score**: 0.7-1.0 for fraudulent transactions, 0.0-0.3 for legitimate ones

### Input

| Field | Type | Default | Description |
|-------|------|---------|-------------|
| `maxItems` | integer | 100 | Number of transactions to generate |
| `numAccounts` | integer | 5 | Number of unique financial accounts |
| `currency` | string | USD | Currency code (USD, EUR, GBP, JPY, CAD, AUD) |
| `dateRangeMonths` | integer | 6 | Months of history to generate |
| `fraudRate` | number | 2 | Percentage of fraudulent transactions (0-100) |
| `includeFraudLabels` | boolean | true | Include fraud detection fields in output |
| `seed` | integer | 0 | Random seed for reproducible output |

### Output

Each transaction record contains:

```json
{
  "transaction_id": "397b9202-8ace-4fc4-9fa2-464893c3bc34",
  "account_id": "ACCT-0001",
  "account_holder": "Brenda Upton",
  "account_type": "checking",
  "currency": "USD",
  "date": "2025-10-03T09:25:27.000Z",
  "amount": -65.42,
  "type": "debit",
  "category": "groceries",
  "merchant_name": "Whole Foods",
  "merchant_category_code": "5411",
  "balance_after": 4231.58,
  "is_recurring": false,
  "description": "Whole Foods - groceries purchase",
  "is_fraudulent": false,
  "fraud_type": null,
  "fraud_score": 0.12
}
````

When `includeFraudLabels` is false, the `is_fraudulent`, `fraud_type`, and `fraud_score` fields are omitted.

### Use cases

- **ML model training** -- fraud detection, transaction categorization, anomaly detection
- **Fintech testing** -- payment processing pipelines, accounting software, budgeting apps
- **Data pipeline development** -- ETL workflows, data warehouse testing, API mocking
- **Demo data** -- realistic financial dashboards and reports

### Reproducibility

Set the `seed` parameter to any positive integer to get identical output across runs. This is useful for:

- Consistent test fixtures
- Reproducible ML training datasets
- Deterministic integration tests

### Performance

- Sub-second generation for 1,000 transactions
- 256 MB memory sufficient for up to 50,000 transactions
- No network requests -- pure computation

# Actor input Schema

## `sp_intended_usage` (type: `string`):

Please describe how you plan to use the data extracted by this crawler.

## `sp_improvement_suggestions` (type: `string`):

Provide any feedback or suggestions for improvements.

## `sp_contact` (type: `string`):

Provide your email address so we can get in touch with you.

## `maxItems` (type: `integer`):

Maximum number of transactions to generate

## `numAccounts` (type: `integer`):

Number of unique financial accounts to generate

## `currency` (type: `string`):

Currency code for generated transactions

## `dateRangeMonths` (type: `integer`):

Number of months of transaction history to generate (counting back from today)

## `fraudRate` (type: `number`):

Percentage of transactions flagged as fraudulent (0 to disable fraud labels)

## `includeFraudLabels` (type: `boolean`):

Whether to include fraud detection fields (is\_fraudulent, fraud\_type, fraud\_score)

## `seed` (type: `integer`):

Random seed for reproducible output (leave empty for random)

## Actor input object example

```json
{
  "sp_intended_usage": "Describe your intended use...",
  "sp_improvement_suggestions": "Share your suggestions here...",
  "sp_contact": "Share your email here...",
  "maxItems": 100,
  "numAccounts": 5,
  "currency": "USD",
  "dateRangeMonths": 6,
  "fraudRate": 2,
  "includeFraudLabels": true
}
```

# Actor output Schema

## `results` (type: `string`):

No description

# API

You can run this Actor programmatically using our API. Below are code examples in JavaScript, Python, and CLI, as well as the OpenAPI specification and MCP server setup.

## JavaScript example

```javascript
import { ApifyClient } from 'apify-client';

// Initialize the ApifyClient with your Apify API token
// Replace the '<YOUR_API_TOKEN>' with your token
const client = new ApifyClient({
    token: '<YOUR_API_TOKEN>',
});

// Prepare Actor input
const input = {
    "sp_intended_usage": "Describe your intended use...",
    "sp_improvement_suggestions": "Share your suggestions here...",
    "sp_contact": "Share your email here...",
    "maxItems": 100,
    "numAccounts": 5,
    "currency": "USD",
    "dateRangeMonths": 6,
    "fraudRate": 2,
    "includeFraudLabels": true,
    "seed": 0
};

// Run the Actor and wait for it to finish
const run = await client.actor("jungle_synthesizer/synthetic-financial-data-generator").call(input);

// Fetch and print Actor results from the run's dataset (if any)
console.log('Results from dataset');
console.log(`💾 Check your data here: https://console.apify.com/storage/datasets/${run.defaultDatasetId}`);
const { items } = await client.dataset(run.defaultDatasetId).listItems();
items.forEach((item) => {
    console.dir(item);
});

// 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/js/docs

```

## Python example

```python
from apify_client import ApifyClient

# Initialize the ApifyClient with your Apify API token
# Replace '<YOUR_API_TOKEN>' with your token.
client = ApifyClient("<YOUR_API_TOKEN>")

# Prepare the Actor input
run_input = {
    "sp_intended_usage": "Describe your intended use...",
    "sp_improvement_suggestions": "Share your suggestions here...",
    "sp_contact": "Share your email here...",
    "maxItems": 100,
    "numAccounts": 5,
    "currency": "USD",
    "dateRangeMonths": 6,
    "fraudRate": 2,
    "includeFraudLabels": True,
    "seed": 0,
}

# Run the Actor and wait for it to finish
run = client.actor("jungle_synthesizer/synthetic-financial-data-generator").call(run_input=run_input)

# Fetch and print Actor results from the run's dataset (if there are any)
print("💾 Check your data here: https://console.apify.com/storage/datasets/" + run["defaultDatasetId"])
for item in client.dataset(run["defaultDatasetId"]).iterate_items():
    print(item)

# 📚 Want to learn more 📖? Go to → https://docs.apify.com/api/client/python/docs/quick-start

```

## CLI example

```bash
echo '{
  "sp_intended_usage": "Describe your intended use...",
  "sp_improvement_suggestions": "Share your suggestions here...",
  "sp_contact": "Share your email here...",
  "maxItems": 100,
  "numAccounts": 5,
  "currency": "USD",
  "dateRangeMonths": 6,
  "fraudRate": 2,
  "includeFraudLabels": true,
  "seed": 0
}' |
apify call jungle_synthesizer/synthetic-financial-data-generator --silent --output-dataset

```

## MCP server setup

```json
{
    "mcpServers": {
        "apify": {
            "command": "npx",
            "args": [
                "mcp-remote",
                "https://mcp.apify.com/?tools=jungle_synthesizer/synthetic-financial-data-generator",
                "--header",
                "Authorization: Bearer <YOUR_API_TOKEN>"
            ]
        }
    }
}

```

## OpenAPI specification

```json
{
    "openapi": "3.0.1",
    "info": {
        "title": "Synthetic Financial Data Generator",
        "description": "Generate realistic synthetic financial transaction data with category-aware amounts, temporal spending patterns, running balances, and configurable fraud labels for ML training and fintech testing",
        "version": "0.1",
        "x-build-id": "qFkZP7g8XXmklxpgb"
    },
    "servers": [
        {
            "url": "https://api.apify.com/v2"
        }
    ],
    "paths": {
        "/acts/jungle_synthesizer~synthetic-financial-data-generator/run-sync-get-dataset-items": {
            "post": {
                "operationId": "run-sync-get-dataset-items-jungle_synthesizer-synthetic-financial-data-generator",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for its completion, and returns Actor's dataset items in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        },
        "/acts/jungle_synthesizer~synthetic-financial-data-generator/runs": {
            "post": {
                "operationId": "runs-sync-jungle_synthesizer-synthetic-financial-data-generator",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor and returns information about the initiated run in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK",
                        "content": {
                            "application/json": {
                                "schema": {
                                    "$ref": "#/components/schemas/runsResponseSchema"
                                }
                            }
                        }
                    }
                }
            }
        },
        "/acts/jungle_synthesizer~synthetic-financial-data-generator/run-sync": {
            "post": {
                "operationId": "run-sync-jungle_synthesizer-synthetic-financial-data-generator",
                "x-openai-isConsequential": false,
                "summary": "Executes an Actor, waits for completion, and returns the OUTPUT from Key-value store in response.",
                "tags": [
                    "Run Actor"
                ],
                "requestBody": {
                    "required": true,
                    "content": {
                        "application/json": {
                            "schema": {
                                "$ref": "#/components/schemas/inputSchema"
                            }
                        }
                    }
                },
                "parameters": [
                    {
                        "name": "token",
                        "in": "query",
                        "required": true,
                        "schema": {
                            "type": "string"
                        },
                        "description": "Enter your Apify token here"
                    }
                ],
                "responses": {
                    "200": {
                        "description": "OK"
                    }
                }
            }
        }
    },
    "components": {
        "schemas": {
            "inputSchema": {
                "type": "object",
                "required": [
                    "maxItems"
                ],
                "properties": {
                    "sp_intended_usage": {
                        "title": "What is the intended usage of this data?",
                        "minLength": 1,
                        "type": "string",
                        "description": "Please describe how you plan to use the data extracted by this crawler."
                    },
                    "sp_improvement_suggestions": {
                        "title": "How can we improve this crawler for you?",
                        "minLength": 1,
                        "type": "string",
                        "description": "Provide any feedback or suggestions for improvements."
                    },
                    "sp_contact": {
                        "title": "Contact Email",
                        "minLength": 1,
                        "type": "string",
                        "description": "Provide your email address so we can get in touch with you."
                    },
                    "maxItems": {
                        "title": "Max Transactions",
                        "type": "integer",
                        "description": "Maximum number of transactions to generate",
                        "default": 100
                    },
                    "numAccounts": {
                        "title": "Number of Accounts",
                        "type": "integer",
                        "description": "Number of unique financial accounts to generate",
                        "default": 5
                    },
                    "currency": {
                        "title": "Currency",
                        "enum": [
                            "USD",
                            "EUR",
                            "GBP",
                            "JPY",
                            "CAD",
                            "AUD"
                        ],
                        "type": "string",
                        "description": "Currency code for generated transactions",
                        "default": "USD"
                    },
                    "dateRangeMonths": {
                        "title": "Date Range (Months)",
                        "type": "integer",
                        "description": "Number of months of transaction history to generate (counting back from today)",
                        "default": 6
                    },
                    "fraudRate": {
                        "title": "Fraud Rate (%)",
                        "type": "number",
                        "description": "Percentage of transactions flagged as fraudulent (0 to disable fraud labels)",
                        "default": 2
                    },
                    "includeFraudLabels": {
                        "title": "Include Fraud Labels",
                        "type": "boolean",
                        "description": "Whether to include fraud detection fields (is_fraudulent, fraud_type, fraud_score)",
                        "default": true
                    },
                    "seed": {
                        "title": "Random Seed",
                        "type": "integer",
                        "description": "Random seed for reproducible output (leave empty for random)"
                    }
                }
            },
            "runsResponseSchema": {
                "type": "object",
                "properties": {
                    "data": {
                        "type": "object",
                        "properties": {
                            "id": {
                                "type": "string"
                            },
                            "actId": {
                                "type": "string"
                            },
                            "userId": {
                                "type": "string"
                            },
                            "startedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "finishedAt": {
                                "type": "string",
                                "format": "date-time",
                                "example": "2025-01-08T00:00:00.000Z"
                            },
                            "status": {
                                "type": "string",
                                "example": "READY"
                            },
                            "meta": {
                                "type": "object",
                                "properties": {
                                    "origin": {
                                        "type": "string",
                                        "example": "API"
                                    },
                                    "userAgent": {
                                        "type": "string"
                                    }
                                }
                            },
                            "stats": {
                                "type": "object",
                                "properties": {
                                    "inputBodyLen": {
                                        "type": "integer",
                                        "example": 2000
                                    },
                                    "rebootCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "restartCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "resurrectCount": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "computeUnits": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "options": {
                                "type": "object",
                                "properties": {
                                    "build": {
                                        "type": "string",
                                        "example": "latest"
                                    },
                                    "timeoutSecs": {
                                        "type": "integer",
                                        "example": 300
                                    },
                                    "memoryMbytes": {
                                        "type": "integer",
                                        "example": 1024
                                    },
                                    "diskMbytes": {
                                        "type": "integer",
                                        "example": 2048
                                    }
                                }
                            },
                            "buildId": {
                                "type": "string"
                            },
                            "defaultKeyValueStoreId": {
                                "type": "string"
                            },
                            "defaultDatasetId": {
                                "type": "string"
                            },
                            "defaultRequestQueueId": {
                                "type": "string"
                            },
                            "buildNumber": {
                                "type": "string",
                                "example": "1.0.0"
                            },
                            "containerUrl": {
                                "type": "string"
                            },
                            "usage": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "integer",
                                        "example": 1
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            },
                            "usageTotalUsd": {
                                "type": "number",
                                "example": 0.00005
                            },
                            "usageUsd": {
                                "type": "object",
                                "properties": {
                                    "ACTOR_COMPUTE_UNITS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATASET_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "KEY_VALUE_STORE_WRITES": {
                                        "type": "number",
                                        "example": 0.00005
                                    },
                                    "KEY_VALUE_STORE_LISTS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_READS": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "REQUEST_QUEUE_WRITES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_INTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "DATA_TRANSFER_EXTERNAL_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_RESIDENTIAL_TRANSFER_GBYTES": {
                                        "type": "integer",
                                        "example": 0
                                    },
                                    "PROXY_SERPS": {
                                        "type": "integer",
                                        "example": 0
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}
```
