# Multiple Search
source: https://developer.mastercard.com/merchant-match-tool/documentation/usecases/case-2/index.md

The solution includes two APIs -- one to handle single query search requests and another for multiple query search requests. Each client will have its own API-key for authentication which will be provided as the part of client onboarding process. For further details, please refer to the [API Reference](https://developer.mastercard.com/merchant-match-tool/documentation/api-reference/) page or view [Codes and Formats](https://developer.mastercard.com/merchant-match-tool/documentation/code-and-formats/)

#### Multiple Search {#multiple-search}

A sales or marketing analyst a file of Suppliers to generate sales campaign lists or to size the opportunity of a purchase card or virtual card (VCN) program. Such searches may require a longer response time. There can be 1 request per client for multiple search API. The maximum number of queries allowed for one multiple search API request is 100.

The following example sequence shows how you might use the multiple-search API
Diagram multiplesearch

[Multiple Searches API](https://developer.mastercard.com/drafts/merchant-match-tool/staging/documentation/api-reference/#apis) POST request to query for multiple Suppliers (view supported parameters [here](https://developer.mastercard.com/drafts/merchant-match-tool/staging/documentation/parameters/#multiple-api))

API Reference: `POST /multiple-searches`