ADO.NET Provider for REST

Build 24.0.9175

Connection String Options

The connection string properties are the various options that can be used to establish a connection. This section provides a complete list of the options you can configure in the connection string for this provider. Click the links for further details.

For more information on connecting, see Establishing a Connection.

Authentication


PropertyDescription
AuthSchemeThe type of authentication to use when connecting to remote services.
AccessKeyYour account access key. This value is accessible from your security credentials page.
SecretKeyYour account secret key. This value is accessible from your security credentials page.
ApiKeyThe API Key used to identify the user to IBM Cloud.
UserThe user account used to authenticate.
PasswordThe password used to authenticate the user.
SharePointEditionThe edition of SharePoint being used. Set either SharePointOnline or SharePointOnPremise.
AuthorizationHeaderPrefixValue that will be prepended to the secret for the Authorization header.
ImpersonateUserModeSpecify the type of the user impersonation. It should be whether the User mode or the Admin mode.

Connection


PropertyDescription
FormatThe Format property specifies the format reported by the data source.
URIThe Uniform Resource Identifier (URI) for the XML/JSON/CSV resource location.
RegionThe hosting region for your S3-like Web Services.
ProjectIdThe Id of the project where your Google Cloud Storage instance resides.
OracleNamespaceThe Oracle Cloud Object Storage namespace to use.
StorageBaseURLThe URL of a cloud storage service provider.
SimpleUploadLimitThis setting specifies the threshold, in bytes, above which the provider will choose to perform a multipart upload rather than uploading everything in one request.
UseVirtualHostingIf true (default), buckets will be referenced in the request using the hosted-style request: http://yourbucket.s3.amazonaws.com/yourobject. If set to false, the bean will use the path-style request: http://s3.amazonaws.com/yourbucket/yourobject. Note that this property will be set to false, in case of an S3 based custom service when the CustomURL is specified.
UseLakeFormationWhen this property is set to true, AWSLakeFormation service will be used to retrieve temporary credentials, which enforce access policies against the user based on the configured IAM role. The service can be used when authenticating through OKTA, ADFS, AzureAD, PingFederate, while providing a SAML assertion.

AWS Authentication


PropertyDescription
AWSAccessKeySpecifies your AWS account access key. This value is accessible from your AWS security credentials page.
AWSSecretKeyYour AWS account secret key. This value is accessible from your AWS security credentials page.
AWSRoleARNThe Amazon Resource Name of the role to use when authenticating.
AWSPrincipalARNThe ARN of the SAML Identity provider in your AWS account.
AWSRegionThe hosting region for your Amazon Web Services.
AWSCredentialsFileThe path to the AWS Credentials File to be used for authentication.
AWSCredentialsFileProfileThe name of the profile to be used from the supplied AWSCredentialsFile.
AWSSessionTokenYour AWS session token.
AWSExternalIdA unique identifier that might be required when you assume a role in another account.
MFASerialNumberThe serial number of the MFA device if one is being used.
MFATokenThe temporary token available from your MFA device.
CredentialsLocationThe location of the settings file where MFA credentials are saved.
TemporaryTokenDurationThe amount of time (in seconds) a temporary token will last.
AWSWebIdentityTokenThe OAuth 2.0 access token or OpenID Connect ID token that is provided by an identity provider.
ServerSideEncryptionWhen activated, file uploads into Amazon S3 buckets will be server-side encrypted.
SSEContextA BASE64-encoded UTF-8 string holding JSON which represents a string-string (key-value) map.
SSEEnableS3BucketKeysConfiguration to use an S3 Bucket Key at the object level when encrypting data with AWS KMS. Enabling this will reduce the cost of server-side encryption by lowering calls to AWS KMS.
SSEKeyA symmetric encryption KeyManagementService key, that is used to protect the data when using ServerSideEncryption.

Azure Authentication


PropertyDescription
AzureStorageAccountThe name of your Azure storage account.
AzureAccessKeyThe storage key associated with your Azure account.
AzureSharedAccessSignatureA shared access key signature that may be used for authentication.
AzureTenantIdentifies the REST tenant being used to access data, either by name (for example, contoso.omnicrosoft.com) or ID. (Conditional).
AzureEnvironmentSpecifies the Azure network environment to which you will connect. Must be the same network to which your Azure account was added.

SSO


PropertyDescription
SSOLoginURLThe identity provider's login URL.
SSOPropertiesAdditional properties required to connect to the identity provider, formatted as a semicolon-separated list.
SSOExchangeUrlThe URL used for consuming the SAML response and exchanging it for service specific credentials.

JSON and XML


PropertyDescription
XPathThe XPath of an element that repeats at the same height within the XML/JSON document (used to split the document into multiple rows).
DataModelSpecifies the data model to use when parsing XML/JSON documents and generating the database metadata.
JSONFormatSpecifies the format of the JSON document. Only has an effect when Format is set to JSON.
XMLFormatSpecifies the format of the XML document.
FlattenArraysBy default, nested arrays are returned as strings of XML/JSON. The FlattenArrays property can be used to flatten the elements of nested arrays into columns of their own. Set FlattenArrays to the number of elements you want to return from nested arrays.
FlattenObjectsSet FlattenObjects to true to flatten object properties into columns of their own. Otherwise, objects nested in arrays are returned as strings of XML/JSON.
BackwardsCompatibilityModeSet BackwardsCompatibilityMode to true to use the XML/JSON functionality and features available in the 2017 version.
QualifyColumnsControls whether the provider will use relative column names.
URISeparatorA delimiter used to separate different values in the URI property.

CSV


PropertyDescription
FMTThe format used to parse all CSV files.
IncludeColumnHeadersWhether to get column names from the first line of CSV files.

JWT OAuth


PropertyDescription
OAuthJWTCertThe JWT Certificate store.
OAuthJWTCertTypeThe type of key store containing the JWT Certificate.
OAuthJWTCertPasswordThe password for the OAuth JWT certificate used to access a certificate store that requires a password. If the certificate store does not require a password, leave this property blank.
OAuthJWTEncryptionKeyThe key used used for HMAC signatures with JWT tokens.
OAuthJWTCertSubjectThe subject of the OAuth JWT certificate used to locate a matching certificate in the store. Supports partial matches and the wildcard '*' to select the first certificate.
OAuthJWTIssuerThe issuer of the Java Web Token.
OAuthJWTSubjectThe user subject for which the application is requesting delegated access.
OAuthJWTSubjectTypeThe SubType for the JWT authentication.
OAuthJWTPublicKeyIdThe Id of the public key for JWT.
OAuthJWTAudienceA space-separated list of entities that may use the JWT.
OAuthJWTEncryptionThe encryption algorithm to be used in JWT authentication.
OAuthJWTHeadersA collection of extra headers to include in the JWT.
OAuthJWTValidityTimeHow long the JWT should remain valid, in seconds.

Kerberos


PropertyDescription
KerberosKDCThe Kerberos Key Distribution Center (KDC) service used to authenticate the user.
KerberosRealmThe Kerberos Realm used to authenticate the user.
KerberosSPNThe service principal name (SPN) for the Kerberos Domain Controller.
KerberosUserThe principal name for the Kerberos Domain Controller. Used in the format host/user@realm.
KerberosKeytabFileThe Keytab file containing your pairs of Kerberos principals and encrypted keys.
KerberosServiceRealmThe Kerberos realm of the service.
KerberosServiceKDCThe Kerberos KDC of the service.
KerberosTicketCacheThe full file path to an MIT Kerberos credential cache file.

OAuth


PropertyDescription
InitiateOAuthSpecifies the process for obtaining or refreshing the OAuth access token, which maintains user access while an authenticated, authorized user is working.
OAuthVersionThe version of OAuth being used.
OAuthClientIdSpecifies the client Id that was assigned the custom OAuth application was created. (Also known as the consumer key.) This ID registers the custom application with the OAuth authorization server.
OAuthClientSecretSpecifies the client secret that was assigned when the custom OAuth application was created. (Also known as the consumer secret ). This secret registers the custom application with the OAuth authorization server.
OAuthAccessTokenA token received after authentication to the OAuth network, granting the user access. The access token is used in place of the user's login ID and password, which stay on the server.
OAuthAccessTokenSecretThe OAuth access token secret for connecting using OAuth.
SubjectIdThe user subject for which the application is requesting delegated access.
SubjectTypeThe Subject Type for the Client Credentials authentication.
OAuthSettingsLocationSpecifies the location of the settings file where OAuth values are saved. Storing OAuth settings in a central location avoids the need for users to enter OAuth connection properties manually each time they log in. It also enables credentials to be shared across connections or processes.
CallbackURLThe URL users return to after authenticating to REST via OAuth.
ScopeSpecifies the scope of the authenticating user's access to the application. Generally specified at the time the custom OAuth application is created (if necessary), so that the authenticating user can obtain the the level of access appropriate to their credentials.
OAuthGrantTypeSpecifies the grant type for the chosen OAuth flow. This value should be the same as the grant_type that was set during OAuth custom application creation.
OAuthPasswordGrantModeSpecifies how the OAuth Client Id and Client Secret should be passed. Supported options: BASIC and POST.
OAuthIncludeCallbackURLWhether to include the callback URL in an access token request.
OAuthAuthorizationURLThe authorization URL for the OAuth service.
OAuthAccessTokenURLThe URL to retrieve the OAuth access token from.
OAuthRefreshTokenURLThe URL to refresh the OAuth token from.
OAuthRequestTokenURLThe URL the service provides to retrieve request tokens from. This is required in OAuth 1.0.
OAuthVerifierSpecifies a verifier code returned from the OAuthAuthorizationURL . Used when authenticating to OAuth on a headless server, where a browser can't be launched. Requires both OAuthSettingsLocation and OAuthVerifier to be set.
PKCEVerifierThe PKCE code verifier generated from executing the GetOAuthAuthorizationUrl stored procedure for PKCE authentication schemes.
AuthTokenThe authentication token used to request and obtain the OAuth Access Token.
AuthKeyThe authentication secret used to request and obtain the OAuth Access Token.
OAuthParamsA comma-separated list of other parameters to submit in the request for the OAuth access token in the format paramname=value.
OAuthRefreshTokenGets and refreshes the currently-active OAuth Access Token.
OAuthExpiresInSpecifies the duration in seconds, of an OAuth Access Token's lifetime. The token can be reissued to keep access alive as long as the user keeps working.
OAuthTokenTimestampDisplays a Unix epoch timestamp in milliseconds that shows how long ago the current Access Token was created.

SSL


PropertyDescription
SSLClientCertSpecifies the TLS/SSL client certificate store for SSL Client Authentication (2-way SSL). This property works in conjunction with other SSL-related properties to establish a secure connection.
SSLClientCertTypeSpecifies the type of key store containing the TLS/SSL client certificate for SSL Client Authentication. Choose from a variety of key store formats depending on your platform and certificate source.
SSLClientCertPasswordSpecifes the password required to access the TLS/SSL client certificate store. Use this property if the selected certificate store type requires a password for access.
SSLClientCertSubjectSpecifes the subject of the TLS/SSL client certificate to locate it in the certificate store. Use a comma-separated list of distinguished name fields, such as CN=www.server.com, C=US. The wildcard * selects the first certificate in the store.
SSLModeThe authentication mechanism to be used when connecting to the FTP or FTPS server.
SSLServerCertSpecifies the certificate to be accepted from the server when connecting using TLS/SSL.

SSH


PropertyDescription
SSHAuthModeThe authentication method used when establishing an SSH Tunnel to the service.
SSHClientCertA certificate to be used for authenticating the SSHUser.
SSHClientCertPasswordThe password of the SSHClientCert key if it has one.
SSHClientCertSubjectThe subject of the SSH client certificate.
SSHClientCertTypeThe type of SSHClientCert private key.
SSHUserThe SSH user.
SSHPasswordThe SSH password.

Firewall


PropertyDescription
FirewallTypeSpecifies the protocol the provider uses to tunnel traffic through a proxy-based firewall.
FirewallServerIdentifies the IP address, DNS name, or host name of a proxy used to traverse a firewall and relay user queries to network resources.
FirewallPortSpecifies the TCP port to be used for a proxy-based firewall.
FirewallUserIdentifies the user ID of the account authenticating to a proxy-based firewall.
FirewallPasswordSpecifies the password of the user account authenticating to a proxy-based firewall.

Proxy


PropertyDescription
ProxyAutoDetectSpecifies whether the provider checks your system proxy settings for existing proxy server configurations, rather than using a manually specified proxy server.
ProxyServerThe hostname or IP address of the proxy server that you want to route HTTP traffic through.
ProxyPortThe TCP port on your specified proxy server (set in the ProxyServer connection property) that has been reserved for routing HTTP traffic to and from the client.
ProxyAuthSchemeSpecifies the authentication method the provider uses when authenticating to the proxy server specified in the ProxyServer connection property.
ProxyUserThe username of a user account registered with the proxy server specified in the ProxyServer connection property.
ProxyPasswordThe password associated with the user specified in the ProxyUser connection property.
ProxySSLTypeThe SSL type to use when connecting to the proxy server specified in the ProxyServer connection property.
ProxyExceptionsA semicolon separated list of destination hostnames or IPs that are exempt from connecting through the proxy server set in the ProxyServer connection property.

Logging


PropertyDescription
LogfileSpecifes the file path to the log file where the provider records its activities, such as authentication, query execution, and connection details.
VerbositySpecifies the verbosity level of the log file, which controls the amount of detail logged. Supported values range from 1 to 5.
LogModulesSpecifies the core modules to include in the log file. Use a semicolon-separated list of module names. By default, all modules are logged.
MaxLogFileSizeSpecifies the maximum size of a single log file in bytes. For example, '10 MB'. When the file reaches the limit, the provider creates a new log file with the date and time appended to the name.
MaxLogFileCountSpecifies the maximum number of log files the provider retains. When the limit is reached, the oldest log file is deleted to make space for a new one.

Schema


PropertyDescription
LocationSpecifies the location of a directory containing schema files that define tables, views, and stored procedures. Depending on your service's requirements, this may be expressed as either an absolute path or a relative path.
BrowsableSchemasOptional setting that restricts the schemas reported to a subset of all available schemas. For example, BrowsableSchemas=SchemaA,SchemaB,SchemaC .
TablesOptional setting that restricts the tables reported to a subset of all available tables. For example, Tables=TableA,TableB,TableC .
ViewsOptional setting that restricts the views reported to a subset of the available tables. For example, Views=ViewA,ViewB,ViewC .

Caching


PropertyDescription
AutoCacheSpecifies whether the content of tables targeted by SELECT queries is automatically cached to the specified cache database.
CacheProviderThe namespace of an ADO.NET provider. The specified provider is used as the target database for all caching operations.
CacheConnectionThe connection string for the specified cache database.
CacheLocationSpecifies the path to the cache when caching to a file.
CacheToleranceThe tolerance, in seconds, for stale data in the specified cache database.
OfflineGet the data from the specified cache database instead of live REST data.
CacheMetadataDetermines whether the provider caches table metadata to a file-based cache database.

Miscellaneous


PropertyDescription
BatchSizeSpecifies the maximum number of rows included in each batch operation. Set to 0 to submit the entire batch as a single request.
CharsetSpecifies the session character set for encoding and decoding character data transferred to and from the REST file. The default value is UTF-8.
ClientCultureThis property can be used to specify the format of data (e.g., currency values) that is accepted by the client application. This property can be used when the client application does not support the machine's culture settings. For example, Microsoft Access requires 'en-US'.
ConnectionLifeTimeSpecifies the maximum lifetime of a connection in seconds. When the specified time elapses, the provider closes the connection. Set to 0 or leave empty for no time limit.
CultureThis setting can be used to specify culture settings that determine how the provider interprets certain data types that are passed into the provider. For example, setting Culture='de-DE' will output German formats even on an American machine.
CustomHeadersSpecifies additional HTTP headers to append to the request headers created from other properties, such as ContentType and From. Use this property to customize requests for specialized or nonstandard APIs.
CustomUrlParamsA string of custom URL parameters to be included with the HTTP request, in the form field1=value1&field2=value2&field3=value3.
DataSourceThis property specifies a URI for the resource location.
DirectoryRetrievalDepthLimit the subfolders recursively scanned when IncludeSubdirectories is enabled.
ExcludeFilesComma-separated list of file extensions to exclude from the set of the files modeled as tables.
FolderIdThe ID of a folder in Google Drive. If set, the resource location specified by the URI is relative to the Folder ID for all operations.
GenerateSchemaFilesIndicates the user preference as to when schemas should be generated and saved.
IncludeDropboxTeamResourcesIndicates if you want to include Dropbox team files and folders.
IncludeFilesComma-separated list of file extensions to include into the set of the files modeled as tables.
IncludeItemsFromAllDrivesWhether Google Drive shared drive items should be included in results. If not present or set to false, then shared drive items are not returned.
MaxRowsSpecifies the maximum rows returned for queries without aggregation or GROUP BY.
MetadataDiscoveryURIUsed when aggregating multiple files into one table, this property specifies a specific file to read to determined the aggregated table schema.
OtherSpecifies additional hidden properties for specific use cases. These are not required for typical provider functionality. Use a semicolon-separated list to define multiple properties.
PagesizeSpecifies the maximum number of results to return from REST, per page. This setting overrides the default page size set by the datasource, which is optimized for most use cases.
PoolIdleTimeoutSpecifies the maximum idle time, in seconds, that a connection can remain in the pool before being closed.
PoolMaxSizeSpecifies the maximum number of connections allowed in the connection pool. The default value is 100. Set to 0 or a negative value to disable pooling.
PoolMinSizeSpecifies the minimum number of connections maintained in the connection pool. The default value is 1.
PoolWaitTimeSpecifies the maximum number of seconds a connection request waits for an available connection in the pool. If the wait exceeds this time, an error is returned. The default is 60 seconds.
PseudoColumnsSpecifies the pseudocolumns to expose as table columns. Use the format 'TableName=ColumnName;TableName=ColumnName'. The default is an empty string, which disables this property.
ReadonlyToggles read-only access to REST from the provider.
RowScanDepthThe number of rows to scan when dynamically determining columns for the table.
RTKSpecifies the runtime key for licensing the provider. If unset or invalid, the provider defaults to the standard licensing method. Use this property only in environments where the standard licensing method is unsupported or requires a runtime key.
TimeoutSpecifies the maximum time, in seconds, that the provider waits for a server response before throwing a timeout error. The default is 60 seconds. Set to 0 to disable the timeout.
TypeDetectionSchemeDetermines how to determine the data types of columns.
UseConnectionPoolingEnables the connection pooling feature, which allows the provider to reuse existing connections instead of creating new ones for each request.
UserDefinedViewsSpecifies a filepath to a JSON configuration file defining custom views. The provider automatically detects and uses the views specified in this file.

Copyright (c) 2025 CData Software, Inc. - All rights reserved.
Build 24.0.9175