diff --git a/.speakeasy/workflow.lock b/.speakeasy/workflow.lock
index d60400d9..c37865dd 100644
--- a/.speakeasy/workflow.lock
+++ b/.speakeasy/workflow.lock
@@ -1,4 +1,4 @@
-speakeasyVersion: 1.423.3
+speakeasyVersion: 1.423.5
 sources:
     accounting-source:
         sourceNamespace: accounting-source
@@ -93,8 +93,8 @@ sources:
             - main
     sync-for-payables-source:
         sourceNamespace: sync-for-payables-source
-        sourceRevisionDigest: sha256:9417873280d26018f4595b4fb72fd2632491ea18f0a9d5536b63336754509d85
-        sourceBlobDigest: sha256:1ffa6da669abbf5bb7fef62b991e1c237af95f876b930288b8ab14994e0ab0b5
+        sourceRevisionDigest: sha256:892b8874967cecc96433bb77727c4944a9ddda9c921bcb57da4e87867bda2090
+        sourceBlobDigest: sha256:f472244dc98845d90f55da060a2cc4acee05c771a89a0ff55bc5db04108e5693
         tags:
             - latest
             - main
@@ -181,8 +181,8 @@ targets:
     sync-for-payables-library:
         source: sync-for-payables-source
         sourceNamespace: sync-for-payables-source
-        sourceRevisionDigest: sha256:9417873280d26018f4595b4fb72fd2632491ea18f0a9d5536b63336754509d85
-        sourceBlobDigest: sha256:1ffa6da669abbf5bb7fef62b991e1c237af95f876b930288b8ab14994e0ab0b5
+        sourceRevisionDigest: sha256:892b8874967cecc96433bb77727c4944a9ddda9c921bcb57da4e87867bda2090
+        sourceBlobDigest: sha256:f472244dc98845d90f55da060a2cc4acee05c771a89a0ff55bc5db04108e5693
     sync-for-payables-version-1-library:
         source: sync-for-payables-version-1-source
         sourceNamespace: sync-for-payables-version-1-source
diff --git a/sync-for-payables/.speakeasy/gen.lock b/sync-for-payables/.speakeasy/gen.lock
index 2be2bf88..952c6665 100644
--- a/sync-for-payables/.speakeasy/gen.lock
+++ b/sync-for-payables/.speakeasy/gen.lock
@@ -1,12 +1,12 @@
 lockVersion: 2.0.0
 id: 402c5670-2c12-44b7-81b8-9ee7a4664285
 management:
-  docChecksum: 16c2aba5060738f14671556b6526c400
+  docChecksum: c0f4a56a46c488781ea9be7def894f8c
   docVersion: 3.0.0
-  speakeasyVersion: 1.423.3
-  generationVersion: 2.442.11
-  releaseVersion: 4.0.0
-  configChecksum: 9eef78c4d50dd14f3910f087335269d7
+  speakeasyVersion: 1.423.5
+  generationVersion: 2.445.1
+  releaseVersion: 4.0.1
+  configChecksum: b5db3ce48fa12d8fb6a4f6603ae6216c
   repoURL: https://github.com/codatio/client-sdk-go.git
   repoSubDirectory: sync-for-payables
   installationURL: https://github.com/codatio/client-sdk-go/sync-for-payables
@@ -709,6 +709,15 @@ examples:
       responses:
         "400":
           application/json: {"statusCode": 400, "service": "PublicApi", "error": "Error processing request - not valid.", "correlationId": "bc997528a9d7abb9161ef45f05d38599", "canBeRetried": "Unknown", "detailedErrorCode": 0}
+    Attachment metadata:
+      parameters:
+        path:
+          companyId: "8a210b68-6988-11ed-a1eb-0242ac120002"
+          connectionId: "2e9d2c44-f675-40ba-8049-353bfcb5e171"
+          billId: "EILBDVJVNUAGVKRQ"
+      responses:
+        "201":
+          application/json: {"id": "422f093f-e556-4bf3-91c0-93af70c3e850", "name": "receipt.png", "contentType": "image/png", "dateCreated": "2022-10-23T00:00:00.000Z", "fileSize": 100, "includeWhenSent": true, "sourceModifiedDate": "2022-05-26T10:34:10Z"}
   list-bill-attachments:
     Info:
       parameters:
@@ -728,6 +737,15 @@ examples:
       responses:
         "401":
           application/json: {"statusCode": 401, "service": "PublicApi", "error": "Unauthorized", "correlationId": "7eb40d6b415d7bcd99ce658268284056", "canBeRetried": "Unknown", "detailedErrorCode": 0}
+    Attachments:
+      parameters:
+        path:
+          companyId: "8a210b68-6988-11ed-a1eb-0242ac120002"
+          connectionId: "2e9d2c44-f675-40ba-8049-353bfcb5e171"
+          billId: "EILBDVJVNUAGVKRQ"
+      responses:
+        "200":
+          application/json: [{"id": "422f093f-e556-4bf3-91c0-93af70c3e850", "name": "receipt.png", "contentType": "image/png", "dateCreated": "2022-10-23T00:00:00.000Z", "fileSize": 100, "includeWhenSent": true, "sourceModifiedDate": "2022-05-26T10:34:10Z"}, {"id": "20cfd269-2f0f-44ef-a28c-7b5f725cf1aa", "name": "another_receipt.png", "contentType": "image/png", "dateCreated": "2022-10-24T00:00:00.000Z", "fileSize": 98, "includeWhenSent": true, "sourceModifiedDate": "2022-05-27T12:38:10Z"}]
   download-bill-attachment:
     Unauthorized:
       parameters:
diff --git a/sync-for-payables/.speakeasy/gen.yaml b/sync-for-payables/.speakeasy/gen.yaml
index 4de5f3a9..03ff3cca 100644
--- a/sync-for-payables/.speakeasy/gen.yaml
+++ b/sync-for-payables/.speakeasy/gen.yaml
@@ -13,7 +13,7 @@ generation:
     oAuth2ClientCredentialsEnabled: true
   telemetryEnabled: true
 go:
-  version: 4.0.0
+  version: 4.0.1
   additionalDependencies: {}
   allowUnknownFieldsInWeakUnions: false
   clientServerStatusCodesAsErrors: true
diff --git a/sync-for-payables/RELEASES.md b/sync-for-payables/RELEASES.md
index ee6d8e57..ac618e06 100644
--- a/sync-for-payables/RELEASES.md
+++ b/sync-for-payables/RELEASES.md
@@ -38,4 +38,14 @@ Based on:
 ### Generated
 - [go v4.0.0] sync-for-payables
 ### Releases
-- [Go v4.0.0] https://github.com/codatio/client-sdk-go/releases/tag/sync-for-payables/v4.0.0 - sync-for-payables
\ No newline at end of file
+- [Go v4.0.0] https://github.com/codatio/client-sdk-go/releases/tag/sync-for-payables/v4.0.0 - sync-for-payables
+
+## 2024-10-31 13:42:07
+### Changes
+Based on:
+- OpenAPI Doc  
+- Speakeasy CLI 1.423.5 (2.445.1) https://github.com/speakeasy-api/speakeasy
+### Generated
+- [go v4.0.1] sync-for-payables
+### Releases
+- [Go v4.0.1] https://github.com/codatio/client-sdk-go/releases/tag/sync-for-payables/v4.0.1 - sync-for-payables
\ No newline at end of file
diff --git a/sync-for-payables/bills.go b/sync-for-payables/bills.go
index a87c14ea..6c889aa3 100644
--- a/sync-for-payables/bills.go
+++ b/sync-for-payables/bills.go
@@ -898,6 +898,26 @@ func (s *Bills) UploadAttachment(ctx context.Context, request operations.UploadB
 
 	switch {
 	case httpRes.StatusCode == 201:
+		switch {
+		case utils.MatchContentType(httpRes.Header.Get("Content-Type"), `application/json`):
+			rawBody, err := utils.ConsumeRawBody(httpRes)
+			if err != nil {
+				return nil, err
+			}
+
+			var out shared.Attachment
+			if err := utils.UnmarshalJsonFromResponseBody(bytes.NewBuffer(rawBody), &out, ""); err != nil {
+				return nil, err
+			}
+
+			res.Attachment = &out
+		default:
+			rawBody, err := utils.ConsumeRawBody(httpRes)
+			if err != nil {
+				return nil, err
+			}
+			return nil, sdkerrors.NewSDKError(fmt.Sprintf("unknown content-type received: %s", httpRes.Header.Get("Content-Type")), httpRes.StatusCode, string(rawBody), httpRes)
+		}
 	case httpRes.StatusCode == 400:
 		fallthrough
 	case httpRes.StatusCode == 401:
@@ -978,7 +998,7 @@ func (s *Bills) ListAttachments(ctx context.Context, request operations.ListBill
 	}
 
 	baseURL := utils.ReplaceParameters(s.sdkConfiguration.GetServerDetails())
-	opURL, err := utils.GenerateURL(ctx, baseURL, "/companies/{companyId}/connections/{connectionId}/bills/{billId}/attachments", request, nil)
+	opURL, err := utils.GenerateURL(ctx, baseURL, "/companies/{companyId}/connections/{connectionId}/payables/bills/{billId}/attachments", request, nil)
 	if err != nil {
 		return nil, fmt.Errorf("error generating URL: %w", err)
 	}
@@ -1114,12 +1134,12 @@ func (s *Bills) ListAttachments(ctx context.Context, request operations.ListBill
 				return nil, err
 			}
 
-			var out shared.Attachment
+			var out []shared.Attachment
 			if err := utils.UnmarshalJsonFromResponseBody(bytes.NewBuffer(rawBody), &out, ""); err != nil {
 				return nil, err
 			}
 
-			res.Attachment = &out
+			res.Attachments = out
 		default:
 			rawBody, err := utils.ConsumeRawBody(httpRes)
 			if err != nil {
diff --git a/sync-for-payables/codatsyncpayables.go b/sync-for-payables/codatsyncpayables.go
index 9c0d7f8e..b522de48 100644
--- a/sync-for-payables/codatsyncpayables.go
+++ b/sync-for-payables/codatsyncpayables.go
@@ -190,9 +190,9 @@ func New(opts ...SDKOption) *CodatSyncPayables {
 		sdkConfiguration: sdkConfiguration{
 			Language:          "go",
 			OpenAPIDocVersion: "3.0.0",
-			SDKVersion:        "4.0.0",
-			GenVersion:        "2.442.11",
-			UserAgent:         "speakeasy-sdk/go 4.0.0 2.442.11 3.0.0 github.com/codatio/client-sdk-go/sync-for-payables",
+			SDKVersion:        "4.0.1",
+			GenVersion:        "2.445.1",
+			UserAgent:         "speakeasy-sdk/go 4.0.1 2.445.1 3.0.0 github.com/codatio/client-sdk-go/sync-for-payables",
 			Hooks:             hooks.New(),
 		},
 	}
diff --git a/sync-for-payables/docs/pkg/models/operations/listbillattachmentsresponse.md b/sync-for-payables/docs/pkg/models/operations/listbillattachmentsresponse.md
index 1de84491..fd8ce3a5 100644
--- a/sync-for-payables/docs/pkg/models/operations/listbillattachmentsresponse.md
+++ b/sync-for-payables/docs/pkg/models/operations/listbillattachmentsresponse.md
@@ -6,4 +6,4 @@
 | Field                                                             | Type                                                              | Required                                                          | Description                                                       |
 | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- |
 | `HTTPMeta`                                                        | [shared.HTTPMetadata](../../../pkg/models/shared/httpmetadata.md) | :heavy_check_mark:                                                | N/A                                                               |
-| `Attachment`                                                      | [*shared.Attachment](../../../pkg/models/shared/attachment.md)    | :heavy_minus_sign:                                                | Success                                                           |
\ No newline at end of file
+| `Attachments`                                                     | [][shared.Attachment](../../../pkg/models/shared/attachment.md)   | :heavy_minus_sign:                                                | Success                                                           |
\ No newline at end of file
diff --git a/sync-for-payables/docs/pkg/models/operations/uploadbillattachmentresponse.md b/sync-for-payables/docs/pkg/models/operations/uploadbillattachmentresponse.md
index 81578be5..b2834199 100644
--- a/sync-for-payables/docs/pkg/models/operations/uploadbillattachmentresponse.md
+++ b/sync-for-payables/docs/pkg/models/operations/uploadbillattachmentresponse.md
@@ -5,4 +5,5 @@
 
 | Field                                                             | Type                                                              | Required                                                          | Description                                                       |
 | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- | ----------------------------------------------------------------- |
-| `HTTPMeta`                                                        | [shared.HTTPMetadata](../../../pkg/models/shared/httpmetadata.md) | :heavy_check_mark:                                                | N/A                                                               |
\ No newline at end of file
+| `HTTPMeta`                                                        | [shared.HTTPMetadata](../../../pkg/models/shared/httpmetadata.md) | :heavy_check_mark:                                                | N/A                                                               |
+| `Attachment`                                                      | [*shared.Attachment](../../../pkg/models/shared/attachment.md)    | :heavy_minus_sign:                                                | Created                                                           |
\ No newline at end of file
diff --git a/sync-for-payables/docs/sdks/bills/README.md b/sync-for-payables/docs/sdks/bills/README.md
index bf175420..69796888 100644
--- a/sync-for-payables/docs/sdks/bills/README.md
+++ b/sync-for-payables/docs/sdks/bills/README.md
@@ -294,7 +294,7 @@ func main() {
     if err != nil {
         log.Fatal(err)
     }
-    if res != nil {
+    if res.Attachment != nil {
         // handle response
     }
 }
@@ -354,7 +354,7 @@ func main() {
     if err != nil {
         log.Fatal(err)
     }
-    if res.Attachment != nil {
+    if res.Attachments != nil {
         // handle response
     }
 }
diff --git a/sync-for-payables/pkg/models/operations/listbillattachments.go b/sync-for-payables/pkg/models/operations/listbillattachments.go
index 3016c588..d247f9ab 100644
--- a/sync-for-payables/pkg/models/operations/listbillattachments.go
+++ b/sync-for-payables/pkg/models/operations/listbillattachments.go
@@ -39,7 +39,7 @@ func (o *ListBillAttachmentsRequest) GetBillID() string {
 type ListBillAttachmentsResponse struct {
 	HTTPMeta shared.HTTPMetadata `json:"-"`
 	// Success
-	Attachment *shared.Attachment
+	Attachments []shared.Attachment
 }
 
 func (o *ListBillAttachmentsResponse) GetHTTPMeta() shared.HTTPMetadata {
@@ -49,9 +49,9 @@ func (o *ListBillAttachmentsResponse) GetHTTPMeta() shared.HTTPMetadata {
 	return o.HTTPMeta
 }
 
-func (o *ListBillAttachmentsResponse) GetAttachment() *shared.Attachment {
+func (o *ListBillAttachmentsResponse) GetAttachments() []shared.Attachment {
 	if o == nil {
 		return nil
 	}
-	return o.Attachment
+	return o.Attachments
 }
diff --git a/sync-for-payables/pkg/models/operations/uploadbillattachment.go b/sync-for-payables/pkg/models/operations/uploadbillattachment.go
index 0e238cc7..e147f9d2 100644
--- a/sync-for-payables/pkg/models/operations/uploadbillattachment.go
+++ b/sync-for-payables/pkg/models/operations/uploadbillattachment.go
@@ -46,6 +46,8 @@ func (o *UploadBillAttachmentRequest) GetAttachmentUpload() *shared.AttachmentUp
 
 type UploadBillAttachmentResponse struct {
 	HTTPMeta shared.HTTPMetadata `json:"-"`
+	// Created
+	Attachment *shared.Attachment
 }
 
 func (o *UploadBillAttachmentResponse) GetHTTPMeta() shared.HTTPMetadata {
@@ -54,3 +56,10 @@ func (o *UploadBillAttachmentResponse) GetHTTPMeta() shared.HTTPMetadata {
 	}
 	return o.HTTPMeta
 }
+
+func (o *UploadBillAttachmentResponse) GetAttachment() *shared.Attachment {
+	if o == nil {
+		return nil
+	}
+	return o.Attachment
+}