# Rapyd API Request Signatures and How to Calculate

**URL:** https://community.rapyd.net/t/rapyd-api-request-signatures-and-how-to-calculate/1256
**Category:** 🔬 Code Samples
**Created:** [October 22, 2021, 1:30am UTC](https://community.rapyd.net/t/rapyd-api-request-signatures-and-how-to-calculate/1256 "2021-10-22T01:30:03Z")
**Posts on this page:** 1
**Page:** 1

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### Author: ![drew.harris](https://sea2.discourse-cdn.com/flex016/user_avatar/community.rapyd.net/drew.harris/32/1259_2.png) [@drew.harris](https://community.rapyd.net/u/drew.harris)
#### Post date: [October 22, 2021, 1:30am UTC](https://community.rapyd.net/t/rapyd-api-request-signatures-and-how-to-calculate/1256/1 "2021-10-22T01:30:03Z")

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> **[GitHub - RapydPayments/rapyd-request-signatures: When you send a request, you...](https://github.com/RapydPayments/rapyd-request-signatures)**
>
> When you send a request, you calculate the signature and insert the result into the signature header. When the platform receives the request, it performs the same signature calculation. If the resu...

> **[First API Call](https://docs.rapyd.net/build-with-rapyd/docs/make-your-first-api-call)**
>
> Step-by-step instructions for setting up your sandbox account and sending a request to the Rapyd API.

[![](https://us1.discourse-cdn.com/flex016/uploads/rapyd/original/3X/f/e/fe7f5c3d772115b3d1ca892aaa791bd8da58eecc.jpeg "Rapyd Integrations: Request Signatures and How to Calculate") ](https://www.youtube.com/watch?v=IUqDc4Siq70)