AWS SDK Version 3 for .NET
API Reference

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Registers a CA certificate with AWS IoT. This CA certificate can then be used to sign device certificates, which can be then registered with AWS IoT. You can register up to 10 CA certificates per AWS account that have the same subject field. This enables you to have up to 10 certificate authorities sign your device certificates. If you have more than one CA certificate registered, make sure you pass the CA certificate when you register your device certificates with the RegisterCertificate API.


For .NET Core and PCL this operation is only available in asynchronous form. Please refer to RegisterCACertificateAsync.

Namespace: Amazon.IoT
Assembly: AWSSDK.IoT.dll
Version: 3.x.y.z


public abstract RegisterCACertificateResponse RegisterCACertificate(
         RegisterCACertificateRequest request
Type: Amazon.IoT.Model.RegisterCACertificateRequest

Container for the necessary parameters to execute the RegisterCACertificate service method.

Return Value
The response from the RegisterCACertificate service method, as returned by IoT.


CertificateValidationException The certificate is invalid.
InternalFailureException An unexpected error has occurred.
InvalidRequestException The request is not valid.
LimitExceededException A limit has been exceeded.
RegistrationCodeValidationException The registration code is invalid.
ResourceAlreadyExistsException The resource already exists.
ServiceUnavailableException The service is temporarily unavailable.
ThrottlingException The rate exceeds the limit.
UnauthorizedException You are not authorized to perform this operation.

Version Information

.NET Framework:
Supported in: 4.5, 4.0, 3.5

Portable Class Library:
Supported in: Windows Store Apps
Supported in: Windows Phone 8.1
Supported in: Xamarin Android
Supported in: Xamarin iOS (Unified)
Supported in: Xamarin.Forms

See Also