diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIGateway.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIGateway.kt
index 0ad85ca..b6fec50 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIGateway.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIGateway.kt
@@ -1,12 +1,20 @@
 package com.tddworks.openai.gateway.api
 
 import com.tddworks.openai.api.chat.api.Chat
+import com.tddworks.openai.api.chat.api.OpenAIModel
 import com.tddworks.openai.api.legacy.completions.api.Completions
 
 /**
  * Interface for connecting to the OpenAI Gateway to chat.
  */
 interface OpenAIGateway : Chat, Completions {
+    fun updateProvider(
+        id: String,
+        name: String,
+        config: OpenAIProviderConfig,
+        models: List<OpenAIModel>
+    )
+
     fun addProvider(provider: OpenAIProvider): OpenAIGateway
     fun removeProvider(name: String)
     fun getProviders(): List<OpenAIProvider>
diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIProvider.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIProvider.kt
index 7bcf517..e9fc78a 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIProvider.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/OpenAIProvider.kt
@@ -8,6 +8,12 @@ import com.tddworks.openai.api.legacy.completions.api.Completions
  * Represents a provider for the OpenAI chat functionality.
  */
 interface OpenAIProvider : Chat, Completions {
+
+    /**
+     * The id of the provider.
+     */
+    val id: String
+
     /**
      * The name of the provider.
      */
diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/AnthropicOpenAIProvider.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/AnthropicOpenAIProvider.kt
index a203843..0e7f29d 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/AnthropicOpenAIProvider.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/AnthropicOpenAIProvider.kt
@@ -18,11 +18,12 @@ import com.tddworks.openai.api.chat.api.ChatCompletionChunk as OpenAIChatComplet
 
 @OptIn(ExperimentalSerializationApi::class)
 class AnthropicOpenAIProvider(
-    override val name: String = "Anthropic",
-    override val models: List<OpenAIModel> = AnthropicModel.availableModels.map {
+    override var id: String = "anthropic",
+    override var name: String = "Anthropic",
+    override var models: List<OpenAIModel> = AnthropicModel.availableModels.map {
         OpenAIModel(it.value)
     },
-    override val config: AnthropicOpenAIProviderConfig,
+    override var config: AnthropicOpenAIProviderConfig,
 
     private val client: Anthropic = Anthropic.create(
         AnthropicConfig(
@@ -75,6 +76,7 @@ class AnthropicOpenAIProvider(
 }
 
 fun OpenAIProvider.Companion.anthropic(
+    id: String = "anthropic",
     config: AnthropicOpenAIProviderConfig,
     models: List<OpenAIModel> = AnthropicModel.availableModels.map {
         OpenAIModel(it.value)
@@ -87,5 +89,10 @@ fun OpenAIProvider.Companion.anthropic(
         )
     )
 ): OpenAIProvider {
-    return AnthropicOpenAIProvider(config = config, models = models, client = client)
+    return AnthropicOpenAIProvider(
+        id = id,
+        config = config,
+        models = models,
+        client = client
+    )
 }
\ No newline at end of file
diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGateway.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGateway.kt
index cde3a41..72487fe 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGateway.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGateway.kt
@@ -3,10 +3,12 @@ package com.tddworks.openai.gateway.api.internal
 import com.tddworks.openai.api.chat.api.ChatCompletion
 import com.tddworks.openai.api.chat.api.ChatCompletionChunk
 import com.tddworks.openai.api.chat.api.ChatCompletionRequest
+import com.tddworks.openai.api.chat.api.OpenAIModel
 import com.tddworks.openai.api.legacy.completions.api.Completion
 import com.tddworks.openai.api.legacy.completions.api.CompletionRequest
 import com.tddworks.openai.gateway.api.OpenAIGateway
 import com.tddworks.openai.gateway.api.OpenAIProvider
+import com.tddworks.openai.gateway.api.OpenAIProviderConfig
 import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.ExperimentalSerializationApi
 
@@ -22,6 +24,24 @@ class DefaultOpenAIGateway(
     private val availableProviders: MutableList<OpenAIProvider> =
         providers.toMutableList()
 
+
+    override fun updateProvider(
+        id: String,
+        name: String,
+        config: OpenAIProviderConfig,
+        models: List<OpenAIModel>
+    ) {
+        availableProviders.removeAll { it.id == id }
+        availableProviders.add(
+            DefaultOpenAIProvider(
+                id = id,
+                name = name,
+                config = config,
+                models = models
+            )
+        )
+    }
+
     override fun addProvider(provider: OpenAIProvider): OpenAIGateway {
         availableProviders.add(provider)
         return this
diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProvider.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProvider.kt
index a05f8f5..9f27c8a 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProvider.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProvider.kt
@@ -16,10 +16,11 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.serialization.ExperimentalSerializationApi
 
 class DefaultOpenAIProvider(
+    override val id: String = "openai",
     override val name: String = "OpenAI",
     override val models: List<OpenAIModel> = availableModels,
     override val config: OpenAIProviderConfig,
-    private val openAI: OpenAI = OpenAI.create(config.toOpenAIConfig())
+    private val openAI: OpenAI = OpenAI.create(config.toOpenAIConfig()),
 ) : OpenAIProvider {
 
     override fun supports(model: OpenAIModel): Boolean {
@@ -40,9 +41,13 @@ class DefaultOpenAIProvider(
 }
 
 fun OpenAIProvider.Companion.openAI(
+    id: String = "openai",
     config: OpenAIProviderConfig,
     models: List<OpenAIModel>,
     openAI: OpenAI = OpenAI.create(config.toOpenAIConfig())
 ): OpenAIProvider {
-    return DefaultOpenAIProvider(config = config, models = models, openAI = openAI)
+    return DefaultOpenAIProvider(
+        id = id,
+        config = config, models = models, openAI = openAI
+    )
 }
diff --git a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/OllamaOpenAIProvider.kt b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/OllamaOpenAIProvider.kt
index ed9b7e1..d3d0dde 100644
--- a/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/OllamaOpenAIProvider.kt
+++ b/openai-gateway/openai-gateway-core/src/commonMain/kotlin/com/tddworks/openai/gateway/api/internal/OllamaOpenAIProvider.kt
@@ -17,6 +17,7 @@ import kotlinx.serialization.ExperimentalSerializationApi
 
 @OptIn(ExperimentalSerializationApi::class)
 class OllamaOpenAIProvider(
+    override val id: String = "ollama",
     override val name: String = "Ollama",
     override val config: OllamaOpenAIProviderConfig,
     override val models: List<OpenAIModel> = OllamaModel.availableModels.map {
@@ -72,6 +73,7 @@ class OllamaOpenAIProvider(
 }
 
 fun OpenAIProvider.Companion.ollama(
+    id: String = "ollama",
     config: OllamaOpenAIProviderConfig,
     models: List<OpenAIModel> = OllamaModel.availableModels.map {
         OpenAIModel(it.value)
@@ -84,5 +86,10 @@ fun OpenAIProvider.Companion.ollama(
         )
     )
 ): OpenAIProvider {
-    return OllamaOpenAIProvider(config = config, models = models, client = client)
+    return OllamaOpenAIProvider(
+        id = id,
+        config = config,
+        models = models,
+        client = client
+    )
 }
\ No newline at end of file
diff --git a/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGatewayTest.kt b/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGatewayTest.kt
index baa1b26..1b88c66 100644
--- a/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGatewayTest.kt
+++ b/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIGatewayTest.kt
@@ -7,6 +7,7 @@ import com.tddworks.openai.api.chat.api.ChatCompletionChunk
 import com.tddworks.openai.api.chat.api.ChatCompletionRequest
 import com.tddworks.openai.api.chat.api.OpenAIModel
 import com.tddworks.openai.gateway.api.OpenAIProvider
+import com.tddworks.openai.gateway.api.OpenAIProviderConfig
 import kotlinx.coroutines.flow.flow
 import kotlinx.coroutines.test.runTest
 import kotlinx.serialization.ExperimentalSerializationApi
@@ -20,11 +21,13 @@ import com.tddworks.anthropic.api.AnthropicModel as AnthropicModel
 @OptIn(ExperimentalSerializationApi::class)
 class DefaultOpenAIGatewayTest {
     private val anthropic = mock<OpenAIProvider> {
+        on(it.id).thenReturn("anthropic")
         on(it.supports(OpenAIModel(AnthropicModel.CLAUDE_3_HAIKU.value))).thenReturn(true)
         on(it.name).thenReturn("Anthropic")
     }
 
     private val ollama = mock<OpenAIProvider> {
+        on(it.id).thenReturn("ollama")
         on(it.supports(OpenAIModel(OllamaModel.LLAMA2.value))).thenReturn(true)
         on(it.name).thenReturn("Ollama")
     }
@@ -38,6 +41,28 @@ class DefaultOpenAIGatewayTest {
         providers,
     )
 
+    @Test
+    fun `should able to update provider`() {
+        // Given
+        val id = "anthropic"
+        val name = "new Anthropic"
+        val config = OpenAIProviderConfig.anthropic(
+            apiKey = { "" },
+        )
+
+        val models = listOf(OpenAIModel.GPT_3_5_TURBO)
+
+        // When
+        openAIGateway.updateProvider(id, name, config, models)
+
+        // Then
+        assertEquals(2, openAIGateway.getProviders().size)
+        val openAIProvider = openAIGateway.getProviders().first { it.id == id }
+        assertEquals(name, openAIProvider.name)
+        assertEquals(config, openAIProvider.config)
+        assertEquals(models, openAIProvider.models)
+    }
+
     @Test
     fun `should able to remove provider`() {
         openAIGateway.removeProvider(anthropic.name)
diff --git a/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProviderTest.kt b/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProviderTest.kt
index 21e3d9d..b581a6c 100644
--- a/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProviderTest.kt
+++ b/openai-gateway/openai-gateway-core/src/jvmTest/kotlin/com/tddworks/openai/gateway/api/internal/DefaultOpenAIProviderTest.kt
@@ -35,11 +35,11 @@ class DefaultOpenAIProviderTest {
     fun setUp() {
         provider =
             OpenAIProvider.openAI(
-                OpenAIProviderConfig.default(
+                config = OpenAIProviderConfig.default(
                     apiKey = { "" },
                 ),
-                listOf(OpenAIModel.GPT_3_5_TURBO),
-                client
+                models = listOf(OpenAIModel.GPT_3_5_TURBO),
+                openAI = client
             )
     }