> ## Documentation Index
> Fetch the complete documentation index at: https://docs.leadsontrees.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Access real-time funding signals with advanced filtering and pagination

## Welcome to the V2 Funding Signals API

The V2 Funding Signals API provides access to comprehensive, real-time funding signals aggregated from across the web. Our platform continuously monitors and collects funding activity, giving you up-to-date information on companies raising capital, funding rounds, investors, and market trends.

<Card title="Funding Signals Endpoint" icon="chart-line-up" href="/api-reference/v2-funding-signals-api/endpoint/get">
  View the complete OpenAPI specification
</Card>

## Key Features

* **Real-time Signals**: Funding signals are aggregated continuously from web sources
* **Advanced Filtering**: Filter by countries, categories, funding rounds, date ranges, and search terms
* **Funding Round Types**: Filter by Seed, Series A, Series B, and other funding stages
* **Pagination Support**: Efficiently retrieve large datasets with customizable pagination
* **Rich Response Data**: Detailed company information, funding amounts, and investor data
* **Credit-based Usage**: Transparent credit consumption per API call

## Service Level

* **Rate Limit**: Based on your subscription tier
* **Uptime**: 99% guaranteed uptime
* **Data Freshness**: Real-time aggregation ensures up-to-date signals
* **Maximum Results**: Up to 100 results per page

## Authentication

All API endpoints require authentication using a Bearer token passed in the Authorization header.

The API key should be included as a Bearer token:

```bash theme={null}
curl -X GET "https://www.trysignalbase.com/api/v2/signals/funding?page=1&limit=20&round=Series%20A" \
  -H "Authorization: Bearer YOUR_API_KEY"
```

## Query Parameters

* **page**: Page number (default: 1)
* **limit**: Results per page (default: 20, max: 100)
* **dateFrom**: Filter by date from (ISO 8601 format: YYYY-MM-DD)
* **dateTo**: Filter by date to (ISO 8601 format: YYYY-MM-DD)
* **countries**: Comma-separated country codes (e.g., US,GB,CA)
* **categories**: Comma-separated company categories
* **round**: Comma-separated funding round types (e.g., Seed,Series A,Series B)
* **search**: Search by company name or industry

## Funding Round Types

The API supports filtering by various funding round stages:

* **Seed**: Early-stage funding
* **Series A**: First significant round of venture capital
* **Series B**: Second round of funding for scaling
* **Series C+**: Later-stage funding rounds
* **Pre-Seed**: Very early stage funding
* **Bridge**: Short-term financing between major rounds
* **Debt Financing**: Non-equity funding
* **Grant**: Non-dilutive funding
* **And more**: Including ICO, IPO, Acquired, and other types

## Response Structure

All successful responses follow this structure:

```json theme={null}
{
  "success": true,
  "data": [
    {
      "signalId": "uuid-here",
      "companyName": "TechStartup Inc",
      "roundType": "Series A",
      "fundingAmount": 10000000,
      "investorNames": ["VC Fund 1", "Angel Investor 2"],
      ...
    }
  ],
  "pagination": {
    "currentPage": 1,
    "totalPages": 10,
    "totalCount": 200,
    "hasNextPage": true,
    "hasPreviousPage": false
  },
  "meta": {
    "endpoint": "signals.funding",
    "creditsUsed": 1
  }
}
```

## Error Handling

The API returns standard HTTP status codes:

* **200**: Success
* **401**: Unauthorized - Invalid or missing API key
* **429**: Rate limit exceeded
* **500**: Internal server error

Error responses include:

```json theme={null}
{
  "success": false,
  "error": "Error message description"
}
```

## Example Usage

### Filter by Funding Round

```bash theme={null}
curl -X GET "https://www.trysignalbase.com/api/v2/signals/funding?round=Seed,Series%20A" \
  -H "Authorization: Bearer YOUR_API_KEY"
```

### Filter by Country and Date Range

```bash theme={null}
curl -X GET "https://www.trysignalbase.com/api/v2/signals/funding?countries=US,GB&dateFrom=2024-01-01&dateTo=2024-12-31" \
  -H "Authorization: Bearer YOUR_API_KEY"
```

### Search and Filter Combined

```bash theme={null}
curl -X GET "https://www.trysignalbase.com/api/v2/signals/funding?search=fintech&countries=US&round=Series%20A&limit=10" \
  -H "Authorization: Bearer YOUR_API_KEY"
```