Swagger Authentication Setup

ApiKeyAuthenticationConst.cs

public class ApiKeyAuthenticationDefaults
{
    public const string AuthenticationScheme = "ApiKey";
    public const string HeaderName = "Authorization";
}

JwtAuthenticationConst.cs

public class JwtAuthenticationDefaults
{
    public const string AuthenticationScheme = "JWT";
    public const string HeaderName = "Authorization";
    public const string BearerPrefix = "Bearer";
}

SwaggerGen.cs

services.AddSwaggerGen(c =>
{
    c.SwaggerDoc("v1", new OpenApiInfo {Title = "TestWebApi", Version = "v1"});

    c.AddSecurityDefinition(JwtAuthenticationConst.AuthenticationScheme,
        new OpenApiSecurityScheme
        {
            Description = "JWT Authorization header using the Bearer scheme.",
            Name = JwtAuthenticationConst.HeaderName, 
            In = ParameterLocation.Header,
            Type = SecuritySchemeType.Http,
            Scheme = "bearer"
        });


    c.AddSecurityDefinition(ApiKeyAuthenticationConst.AuthenticationScheme, 
        new OpenApiSecurityScheme
        {
            Description = "API key used in the Authorization header.",
            Name = ApiKeyAuthenticationConst.HeaderName,
            In = ParameterLocation.Header,
            Type = SecuritySchemeType.ApiKey
        });

    c.AddSecurityRequirement(new OpenApiSecurityRequirement
    {
        {
            new OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type = ReferenceType.SecurityScheme,
                    Id = JwtAuthenticationConst.AuthenticationScheme 
                }
            },
            new List<string>()
        }
    });


    c.AddSecurityRequirement(new OpenApiSecurityRequirement
    {
        {
            new OpenApiSecurityScheme
            {
                Reference = new OpenApiReference
                {
                    Type = ReferenceType.SecurityScheme,
                    Id = ApiKeyAuthenticationConst.AuthenticationScheme 
                }
            },
            new List<string>()
        }
    });
});
}