I need to integrate reCaptchaV3 so I followed the ng-recaptcha-npm Here is the base code that I implemented with the help of the ng-recaptcha-npm. MyModule import { RecaptchaV3Module, RECAPTCHA_V3_SITE_KEY } from 'ng-recaptcha'; imports: [ ... RecaptchaV3Module ], providers: [ AuthResolver, { provide: RECAPTCHA_V3_SITE_KEY, useValue: environment.RECAPTCHA_KEY } ] MyComponent import { ReCaptchaV3Service } from 'ng-recaptcha'; constructor( ... private recaptchaV3Service: ReCaptchaV3Service ) {} public onSendClicked(): void { this.recaptchaV3Service.execute('importantAction') .subscribe((token) => { console.log('token = ', token); }); But it returns a bad response and here is the console error. NullInjectorError: No provider for ReCaptchaV3Service! NullInjectorError: R3InjectorError(AppModule)[ReCaptchaV3Service -> ReCaptchaV3Service -> ReCaptchaV3Service]: NullInjectorError: No provider for ReCaptchaV3Service! at NullInjector.get (core.js:1085) at R3Injector.get (core.js:16968) at R3Injector.get (core.js:16968) at R3Injector.get (core.js:16968) at NgModuleRef$1.get (core.js:36342) at Object.get (core.js:33985) at getOrCreateInjectable (core.js:5848) at Module.ɵɵdirectiveInject (core.js:21116) at NodeInjectorFactory.ContactUsComponent_Factory [as factory] (contact-us.component.ts:19) at getNodeInjectable (core.js:5993) at resolvePromise (zone-evergreen.js:798) at resolvePromise (zone-evergreen.js:750) at zone-evergreen.js:860 at ZoneDelegate.invokeTask (zone-evergreen.js:399) at Object.onInvokeTask (core.js:41645) at ZoneDelegate.invokeTask (zone-evergreen.js:398) at Zone.runTask (zone-evergreen.js:167) at drainMicroTaskQueue (zone-evergreen.js:569) Continue reading...