> For the complete documentation index, see [llms.txt](https://sosovalue-1.gitbook.io/sosovalue-api-doc/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://sosovalue-1.gitbook.io/sosovalue-api-doc/readme.md).

# Introduction

**Base URL**: `https://openapi.sosovalue.com/openapi/v1`

## Quick Start

1. Obtain your API Key
2. Include `x-soso-api-key: YOUR_API_KEY` in the Header of every request
3. Refer to each module's documentation for API usage

## Documentation Structure

* [Authentication](/sosovalue-api-doc/authentication.md)
* [Setting Up Your API Key](/sosovalue-api-doc/setting-up-your-api-key.md)
* [Query Modes](/sosovalue-api-doc/query-modes.md)
* [Response Format](/sosovalue-api-doc/response-format.md)
* [Rate Limit](/sosovalue-api-doc/rate-limit.md)
* [Error Responses](/sosovalue-api-doc/error-responses.md)
* [Endpoint Overview](/sosovalue-api-doc/endpoint-overview.md)

## API Modules

| Module                                                                   | Description                                                     |
| ------------------------------------------------------------------------ | --------------------------------------------------------------- |
| [Currency & Pairs](/sosovalue-api-doc/1.-currency-and-pairs/currency.md) | Currency list, market data, klines, supply, trading pairs, etc. |
| [ETF](/sosovalue-api-doc/2.-etf/etf.md)                                  | ETF summary, list, market snapshot, historical data             |
| [SoSoValue Index](/sosovalue-api-doc/3.-sosovalue-index/index.md)        | Index list, constituents, market snapshot, klines               |
| [Crypto Stocks](/sosovalue-api-doc/4.-crypto-stocks/crypto-stocks.md)    | Stock list, market snapshot, market cap, klines, sectors        |
| [BTC Treasuries](/sosovalue-api-doc/5.-btc-treasuries/btc-treasuries.md) | BTC treasury company list and purchase history                  |
| [Feeds](/sosovalue-api-doc/6.-feeds/feeds.md)                            | News feed, hot news, featured news, search                      |
| [Fundraising](/sosovalue-api-doc/7.-fundraising/fundraising.md)          | Project fundraising information                                 |
| [Macro](/sosovalue-api-doc/8.-macro/macro.md)                            | Macroeconomic events                                            |
| [Analysis Charts](/sosovalue-api-doc/9.-analysis-charts/analysis.md)     | Chart list and data                                             |


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