diff --git a/providers/azure/models/claude-haiku-4-5.toml b/providers/azure/models/claude-haiku-4-5.toml
index 0d5f43170..264a91885 100644
--- a/providers/azure/models/claude-haiku-4-5.toml
+++ b/providers/azure/models/claude-haiku-4-5.toml
@@ -25,4 +25,5 @@ input = ["text", "image", "pdf"]
 output = ["text"]
 
 [provider]
-npm = "@ai-sdk/anthropic"
\ No newline at end of file
+npm = "@ai-sdk/anthropic"
+api = "https://${AZURE_COGNITIVE_SERVICES_RESOURCE_NAME}.services.ai.azure.com/anthropic/v1"
diff --git a/providers/azure/models/claude-opus-4-1.toml b/providers/azure/models/claude-opus-4-1.toml
index eb236343f..76e951253 100644
--- a/providers/azure/models/claude-opus-4-1.toml
+++ b/providers/azure/models/claude-opus-4-1.toml
@@ -25,4 +25,5 @@ input = ["text", "image", "pdf"]
 output = ["text"]
 
 [provider]
-npm = "@ai-sdk/anthropic"
\ No newline at end of file
+npm = "@ai-sdk/anthropic"
+api = "https://${AZURE_COGNITIVE_SERVICES_RESOURCE_NAME}.services.ai.azure.com/anthropic/v1"
diff --git a/providers/azure/models/claude-opus-4-5.toml b/providers/azure/models/claude-opus-4-5.toml
index c9b68ee60..25319b37d 100644
--- a/providers/azure/models/claude-opus-4-5.toml
+++ b/providers/azure/models/claude-opus-4-5.toml
@@ -24,4 +24,5 @@ input = ["text", "image", "pdf"]
 output = ["text"]
 
 [provider]
-npm = "@ai-sdk/anthropic"
\ No newline at end of file
+npm = "@ai-sdk/anthropic"
+api = "https://${AZURE_COGNITIVE_SERVICES_RESOURCE_NAME}.services.ai.azure.com/anthropic/v1"
diff --git a/providers/azure/models/claude-opus-4-6.toml b/providers/azure/models/claude-opus-4-6.toml
index a2b35d540..1b8a77a2e 100644
--- a/providers/azure/models/claude-opus-4-6.toml
+++ b/providers/azure/models/claude-opus-4-6.toml
@@ -31,3 +31,4 @@ output = ["text"]
 
 [provider]
 npm = "@ai-sdk/anthropic"
+api = "https://${AZURE_COGNITIVE_SERVICES_RESOURCE_NAME}.services.ai.azure.com/anthropic/v1"
diff --git a/providers/azure/models/claude-sonnet-4-5.toml b/providers/azure/models/claude-sonnet-4-5.toml
index ef38f0ae9..212e17bb2 100644
--- a/providers/azure/models/claude-sonnet-4-5.toml
+++ b/providers/azure/models/claude-sonnet-4-5.toml
@@ -25,4 +25,5 @@ input = ["text", "image", "pdf"]
 output = ["text"]
 
 [provider]
-npm = "@ai-sdk/anthropic"
\ No newline at end of file
+npm = "@ai-sdk/anthropic"
+api = "https://${AZURE_COGNITIVE_SERVICES_RESOURCE_NAME}.services.ai.azure.com/anthropic/v1"