avadev · svc-developer · May 29, 2026 · May 29, 2026
diff --git a/Avalara/SDK/api/A1099/V2/companies_w9_api.py b/Avalara/SDK/api/A1099/V2/companies_w9_api.py
@@ -16,13 +16,13 @@
    limitations under the License.
 
     Avalara 1099 & W-9 API Definition
-    ## 🔐 Authentication  Generate a **license key** from: *[Avalara Portal](https://www.avalara.com/us/en/signin.html) → Settings → License and API Keys*.  [More on authentication methods](https://developer.avalara.com/avatax-dm-combined-erp/common-setup/authentication/authentication-methods/)  [Test your credentials](https://developer.avalara.com/avatax/test-credentials/)  ## 📘 API & SDK Documentation  [Avalara SDK (.NET) on GitHub](https://github.com/avadev/Avalara-SDK-DotNet#avalarasdk--the-unified-c-library-for-next-gen-avalara-services)  [Code Examples – 1099 API](https://github.com/avadev/Avalara-SDK-DotNet/blob/main/docs/A1099/V2/Class1099IssuersApi.md#call1099issuersget) 
+    ## Authentication  #### Step 1: Generate API Credentials  Generate a *client ID* and *client secret* from your [Avalara1099 account](https://sbx.track1099.com/api_tokens): *Your Profile → API*.  #### Step 2: Get an Identity Token  Send a `POST` request to the **Identity Token URL** with your *client ID* and *client secret* from Step 1 as form-encoded parameters:  ```http POST https://identity.avalara.com/connect/token Content-Type: application/x-www-form-urlencoded  grant_type=client_credentials client_id=<your client ID> client_secret=<your client secret> ```  **Body parameters** - `grant_type` — Always `client_credentials` - `client_id` — Your *client ID* from Step 1 - `client_secret` — Your *client secret* from Step 1  **Successful response**  ```json {   \"access_token\": \"eyJhbGci...\",   \"expires_in\": 3600,   \"token_type\": \"Bearer\" } ```  Use the `access_token` as a bearer token in the `Authorization` header on every A1099 API request:  ```http Authorization: Bearer <access_token> ```  ---  For more on authenticating requests, see the [A1099 authentication guide](https://developer.avalara.com/1099-and-w-9/kny2997001535374/).  ---  ## Environments  #### Production - **Avalara 1099 API URL:** [`https://api.avalara.com/avalara1099`](https://api.avalara.com/avalara1099) - **Identity Token URL:** [`https://identity.avalara.com/connect/token`](https://identity.avalara.com/connect/token)  #### Sandbox - **Avalara 1099 API URL:** [`https://api.sbx.avalara.com/avalara1099`](https://api.sbx.avalara.com/avalara1099) - **Identity Token URL:** [`https://ai-sbx.avlr.sh/connect/token`](https://ai-sbx.avlr.sh/connect/token)  ---  ## API & SDK Documentation  [Avalara 1099 API Reference](https://developer.avalara.com/api-reference/avalara1099/avalara1099/)  [Avalara SDKs](https://developer.avalara.com/sdk/)  [Swagger](https://api.avalara.com/avalara1099/swagger/index.html?api-version=2.0) 
 
 @author     Sachin Baijal <sachin.baijal@avalara.com>
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    25.11.2
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -60,7 +60,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("25.11.2")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.create_company_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/A1099/V2/forms1099_api.py b/Avalara/SDK/api/A1099/V2/forms1099_api.py
@@ -16,13 +16,13 @@
    limitations under the License.
 
     Avalara 1099 & W-9 API Definition
-    ## 🔐 Authentication  Generate a **license key** from: *[Avalara Portal](https://www.avalara.com/us/en/signin.html) → Settings → License and API Keys*.  [More on authentication methods](https://developer.avalara.com/avatax-dm-combined-erp/common-setup/authentication/authentication-methods/)  [Test your credentials](https://developer.avalara.com/avatax/test-credentials/)  ## 📘 API & SDK Documentation  [Avalara SDK (.NET) on GitHub](https://github.com/avadev/Avalara-SDK-DotNet#avalarasdk--the-unified-c-library-for-next-gen-avalara-services)  [Code Examples – 1099 API](https://github.com/avadev/Avalara-SDK-DotNet/blob/main/docs/A1099/V2/Class1099IssuersApi.md#call1099issuersget) 
+    ## Authentication  #### Step 1: Generate API Credentials  Generate a *client ID* and *client secret* from your [Avalara1099 account](https://sbx.track1099.com/api_tokens): *Your Profile → API*.  #### Step 2: Get an Identity Token  Send a `POST` request to the **Identity Token URL** with your *client ID* and *client secret* from Step 1 as form-encoded parameters:  ```http POST https://identity.avalara.com/connect/token Content-Type: application/x-www-form-urlencoded  grant_type=client_credentials client_id=<your client ID> client_secret=<your client secret> ```  **Body parameters** - `grant_type` — Always `client_credentials` - `client_id` — Your *client ID* from Step 1 - `client_secret` — Your *client secret* from Step 1  **Successful response**  ```json {   \"access_token\": \"eyJhbGci...\",   \"expires_in\": 3600,   \"token_type\": \"Bearer\" } ```  Use the `access_token` as a bearer token in the `Authorization` header on every A1099 API request:  ```http Authorization: Bearer <access_token> ```  ---  For more on authenticating requests, see the [A1099 authentication guide](https://developer.avalara.com/1099-and-w-9/kny2997001535374/).  ---  ## Environments  #### Production - **Avalara 1099 API URL:** [`https://api.avalara.com/avalara1099`](https://api.avalara.com/avalara1099) - **Identity Token URL:** [`https://identity.avalara.com/connect/token`](https://identity.avalara.com/connect/token)  #### Sandbox - **Avalara 1099 API URL:** [`https://api.sbx.avalara.com/avalara1099`](https://api.sbx.avalara.com/avalara1099) - **Identity Token URL:** [`https://ai-sbx.avlr.sh/connect/token`](https://ai-sbx.avlr.sh/connect/token)  ---  ## API & SDK Documentation  [Avalara 1099 API Reference](https://developer.avalara.com/api-reference/avalara1099/avalara1099/)  [Avalara SDKs](https://developer.avalara.com/sdk/)  [Swagger](https://api.avalara.com/avalara1099/swagger/index.html?api-version=2.0) 
 
 @author     Sachin Baijal <sachin.baijal@avalara.com>
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    25.11.2
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -61,7 +61,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("25.11.2")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.bulk_upsert1099_forms_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/A1099/V2/forms_w9_api.py b/Avalara/SDK/api/A1099/V2/forms_w9_api.py
@@ -16,13 +16,13 @@
    limitations under the License.
 
     Avalara 1099 & W-9 API Definition
-    ## 🔐 Authentication  Generate a **license key** from: *[Avalara Portal](https://www.avalara.com/us/en/signin.html) → Settings → License and API Keys*.  [More on authentication methods](https://developer.avalara.com/avatax-dm-combined-erp/common-setup/authentication/authentication-methods/)  [Test your credentials](https://developer.avalara.com/avatax/test-credentials/)  ## 📘 API & SDK Documentation  [Avalara SDK (.NET) on GitHub](https://github.com/avadev/Avalara-SDK-DotNet#avalarasdk--the-unified-c-library-for-next-gen-avalara-services)  [Code Examples – 1099 API](https://github.com/avadev/Avalara-SDK-DotNet/blob/main/docs/A1099/V2/Class1099IssuersApi.md#call1099issuersget) 
+    ## Authentication  #### Step 1: Generate API Credentials  Generate a *client ID* and *client secret* from your [Avalara1099 account](https://sbx.track1099.com/api_tokens): *Your Profile → API*.  #### Step 2: Get an Identity Token  Send a `POST` request to the **Identity Token URL** with your *client ID* and *client secret* from Step 1 as form-encoded parameters:  ```http POST https://identity.avalara.com/connect/token Content-Type: application/x-www-form-urlencoded  grant_type=client_credentials client_id=<your client ID> client_secret=<your client secret> ```  **Body parameters** - `grant_type` — Always `client_credentials` - `client_id` — Your *client ID* from Step 1 - `client_secret` — Your *client secret* from Step 1  **Successful response**  ```json {   \"access_token\": \"eyJhbGci...\",   \"expires_in\": 3600,   \"token_type\": \"Bearer\" } ```  Use the `access_token` as a bearer token in the `Authorization` header on every A1099 API request:  ```http Authorization: Bearer <access_token> ```  ---  For more on authenticating requests, see the [A1099 authentication guide](https://developer.avalara.com/1099-and-w-9/kny2997001535374/).  ---  ## Environments  #### Production - **Avalara 1099 API URL:** [`https://api.avalara.com/avalara1099`](https://api.avalara.com/avalara1099) - **Identity Token URL:** [`https://identity.avalara.com/connect/token`](https://identity.avalara.com/connect/token)  #### Sandbox - **Avalara 1099 API URL:** [`https://api.sbx.avalara.com/avalara1099`](https://api.sbx.avalara.com/avalara1099) - **Identity Token URL:** [`https://ai-sbx.avlr.sh/connect/token`](https://ai-sbx.avlr.sh/connect/token)  ---  ## API & SDK Documentation  [Avalara 1099 API Reference](https://developer.avalara.com/api-reference/avalara1099/avalara1099/)  [Avalara SDKs](https://developer.avalara.com/sdk/)  [Swagger](https://api.avalara.com/avalara1099/swagger/index.html?api-version=2.0) 
 
 @author     Sachin Baijal <sachin.baijal@avalara.com>
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    25.11.2
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -61,7 +61,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("25.11.2")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.create_and_send_w9_form_email_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/A1099/V2/issuers1099_api.py b/Avalara/SDK/api/A1099/V2/issuers1099_api.py
@@ -16,13 +16,13 @@
    limitations under the License.
 
     Avalara 1099 & W-9 API Definition
-    ## 🔐 Authentication  Generate a **license key** from: *[Avalara Portal](https://www.avalara.com/us/en/signin.html) → Settings → License and API Keys*.  [More on authentication methods](https://developer.avalara.com/avatax-dm-combined-erp/common-setup/authentication/authentication-methods/)  [Test your credentials](https://developer.avalara.com/avatax/test-credentials/)  ## 📘 API & SDK Documentation  [Avalara SDK (.NET) on GitHub](https://github.com/avadev/Avalara-SDK-DotNet#avalarasdk--the-unified-c-library-for-next-gen-avalara-services)  [Code Examples – 1099 API](https://github.com/avadev/Avalara-SDK-DotNet/blob/main/docs/A1099/V2/Class1099IssuersApi.md#call1099issuersget) 
+    ## Authentication  #### Step 1: Generate API Credentials  Generate a *client ID* and *client secret* from your [Avalara1099 account](https://sbx.track1099.com/api_tokens): *Your Profile → API*.  #### Step 2: Get an Identity Token  Send a `POST` request to the **Identity Token URL** with your *client ID* and *client secret* from Step 1 as form-encoded parameters:  ```http POST https://identity.avalara.com/connect/token Content-Type: application/x-www-form-urlencoded  grant_type=client_credentials client_id=<your client ID> client_secret=<your client secret> ```  **Body parameters** - `grant_type` — Always `client_credentials` - `client_id` — Your *client ID* from Step 1 - `client_secret` — Your *client secret* from Step 1  **Successful response**  ```json {   \"access_token\": \"eyJhbGci...\",   \"expires_in\": 3600,   \"token_type\": \"Bearer\" } ```  Use the `access_token` as a bearer token in the `Authorization` header on every A1099 API request:  ```http Authorization: Bearer <access_token> ```  ---  For more on authenticating requests, see the [A1099 authentication guide](https://developer.avalara.com/1099-and-w-9/kny2997001535374/).  ---  ## Environments  #### Production - **Avalara 1099 API URL:** [`https://api.avalara.com/avalara1099`](https://api.avalara.com/avalara1099) - **Identity Token URL:** [`https://identity.avalara.com/connect/token`](https://identity.avalara.com/connect/token)  #### Sandbox - **Avalara 1099 API URL:** [`https://api.sbx.avalara.com/avalara1099`](https://api.sbx.avalara.com/avalara1099) - **Identity Token URL:** [`https://ai-sbx.avlr.sh/connect/token`](https://ai-sbx.avlr.sh/connect/token)  ---  ## API & SDK Documentation  [Avalara 1099 API Reference](https://developer.avalara.com/api-reference/avalara1099/avalara1099/)  [Avalara SDKs](https://developer.avalara.com/sdk/)  [Swagger](https://api.avalara.com/avalara1099/swagger/index.html?api-version=2.0) 
 
 @author     Sachin Baijal <sachin.baijal@avalara.com>
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    25.11.2
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -60,7 +60,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("25.11.2")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.create_issuer_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/A1099/V2/jobs_api.py b/Avalara/SDK/api/A1099/V2/jobs_api.py
@@ -16,13 +16,13 @@
    limitations under the License.
 
     Avalara 1099 & W-9 API Definition
-    ## 🔐 Authentication  Generate a **license key** from: *[Avalara Portal](https://www.avalara.com/us/en/signin.html) → Settings → License and API Keys*.  [More on authentication methods](https://developer.avalara.com/avatax-dm-combined-erp/common-setup/authentication/authentication-methods/)  [Test your credentials](https://developer.avalara.com/avatax/test-credentials/)  ## 📘 API & SDK Documentation  [Avalara SDK (.NET) on GitHub](https://github.com/avadev/Avalara-SDK-DotNet#avalarasdk--the-unified-c-library-for-next-gen-avalara-services)  [Code Examples – 1099 API](https://github.com/avadev/Avalara-SDK-DotNet/blob/main/docs/A1099/V2/Class1099IssuersApi.md#call1099issuersget) 
+    ## Authentication  #### Step 1: Generate API Credentials  Generate a *client ID* and *client secret* from your [Avalara1099 account](https://sbx.track1099.com/api_tokens): *Your Profile → API*.  #### Step 2: Get an Identity Token  Send a `POST` request to the **Identity Token URL** with your *client ID* and *client secret* from Step 1 as form-encoded parameters:  ```http POST https://identity.avalara.com/connect/token Content-Type: application/x-www-form-urlencoded  grant_type=client_credentials client_id=<your client ID> client_secret=<your client secret> ```  **Body parameters** - `grant_type` — Always `client_credentials` - `client_id` — Your *client ID* from Step 1 - `client_secret` — Your *client secret* from Step 1  **Successful response**  ```json {   \"access_token\": \"eyJhbGci...\",   \"expires_in\": 3600,   \"token_type\": \"Bearer\" } ```  Use the `access_token` as a bearer token in the `Authorization` header on every A1099 API request:  ```http Authorization: Bearer <access_token> ```  ---  For more on authenticating requests, see the [A1099 authentication guide](https://developer.avalara.com/1099-and-w-9/kny2997001535374/).  ---  ## Environments  #### Production - **Avalara 1099 API URL:** [`https://api.avalara.com/avalara1099`](https://api.avalara.com/avalara1099) - **Identity Token URL:** [`https://identity.avalara.com/connect/token`](https://identity.avalara.com/connect/token)  #### Sandbox - **Avalara 1099 API URL:** [`https://api.sbx.avalara.com/avalara1099`](https://api.sbx.avalara.com/avalara1099) - **Identity Token URL:** [`https://ai-sbx.avlr.sh/connect/token`](https://ai-sbx.avlr.sh/connect/token)  ---  ## API & SDK Documentation  [Avalara 1099 API Reference](https://developer.avalara.com/api-reference/avalara1099/avalara1099/)  [Avalara SDKs](https://developer.avalara.com/sdk/)  [Swagger](https://api.avalara.com/avalara1099/swagger/index.html?api-version=2.0) 
 
 @author     Sachin Baijal <sachin.baijal@avalara.com>
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    25.11.2
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -58,7 +58,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("25.11.2")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.get_job_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/EInvoicing/V1/code_lists_api.py b/Avalara/SDK/api/EInvoicing/V1/code_lists_api.py
@@ -22,7 +22,7 @@
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    26.4.0
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -60,7 +60,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("26.4.0")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.get_code_list_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/EInvoicing/V1/data_input_fields_api.py b/Avalara/SDK/api/EInvoicing/V1/data_input_fields_api.py
@@ -22,7 +22,7 @@
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    26.4.0
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -58,7 +58,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("26.4.0")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.get_data_input_fields_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/EInvoicing/V1/documents_api.py b/Avalara/SDK/api/EInvoicing/V1/documents_api.py
@@ -22,7 +22,7 @@
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    26.4.0
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -64,7 +64,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("26.4.0")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.download_document_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/EInvoicing/V1/interop_api.py b/Avalara/SDK/api/EInvoicing/V1/interop_api.py
@@ -22,7 +22,7 @@
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    26.4.0
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -58,7 +58,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("26.4.0")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.submit_interop_document_endpoint = _Endpoint(

diff --git a/Avalara/SDK/api/EInvoicing/V1/mandates_api.py b/Avalara/SDK/api/EInvoicing/V1/mandates_api.py
@@ -22,7 +22,7 @@
 @author     Jonathan Wenger <jonathan.wenger@avalara.com>
 @copyright  2022 Avalara, Inc.
 @license    https://www.apache.org/licenses/LICENSE-2.0
-@version    26.4.0
+@version    26.5.0
 @link       https://github.com/avadev/AvaTax-REST-V3-Python-SDK
 """
 
@@ -59,7 +59,7 @@ def __verify_api_client(self,api_client):
 
     def __set_configuration(self, api_client):
         self.__verify_api_client(api_client)
-        api_client.set_sdk_version("26.4.0")
+        api_client.set_sdk_version("26.5.0")
         self.api_client = api_client
 
         self.get_mandate_data_input_fields_endpoint = _Endpoint(