ALCHEMY API KEY NOT SET

[MedNewton]

When trying to register as a user, the following error throws :

throw new Error(Environment variable '${name}' not set);
^
Error: Environment variable 'ALCHEMY_API_KEY' not set
at Object.getEnv (C:\Users\ss\Desktop\WEB\imx-examples\src\libs\utils.ts:17:9)
at Object. (C:\Users\ss\Desktop\WEB\imx-examples\src\config\client.ts:4:18)
at Module._compile (node:internal/modules/cjs/loader:1159:14)
at Module.m._compile (C:\Users\ss\Desktop\WEB\imx-examples\node_modules\ts-node\src\index.ts:1618:23)
at Module._extensions..js (node:internal/modules/cjs/loader:1213:10)
at Object.require.extensions. [as .ts] (C:\Users\ss\Desktop\WEB\imx-examples\node_modules\ts-node\src\index.ts:1621:12)
at Module.load (node:internal/modules/cjs/loader:1037:32)
at Function.Module._load (node:internal/modules/cjs/loader:878:12)
at Module.require (node:internal/modules/cjs/loader:1061:19)
at require (node:internal/modules/cjs/helpers:103:18)