diff --git a/packages/oidc-client/src/internal/config-variables.ts b/packages/oidc-client/src/internal/config-variables.ts
index 511aec07..39d18585 100644
--- a/packages/oidc-client/src/internal/config-variables.ts
+++ b/packages/oidc-client/src/internal/config-variables.ts
@@ -14,18 +14,8 @@ export function getIDTokenUrl(): string {
   return runtimeUrl
 }
 
-export function getWorkFlowRunId(): string {
-  const workFlowRunId = process.env['GITHUB_RUN_ID']
-  if (!workFlowRunId) {
-    throw new Error('Unable to get GITHUB_RUN_ID env variable')
-  }
-  return workFlowRunId
-}
-
 export function getIDTokenFromEnv(): string {
   const tokenId = process.env['OIDC_TOKEN_ID']   //Need to check the exact env var name
-  if(!tokenId) {
-    throw new Error('Unable to get OIDC_TOKEN_ID env variable')
-  }
+  
   return tokenId
 }
diff --git a/packages/oidc-client/src/internal/utils.ts b/packages/oidc-client/src/internal/utils.ts
index 8ad38c50..f721c7a5 100644
--- a/packages/oidc-client/src/internal/utils.ts
+++ b/packages/oidc-client/src/internal/utils.ts
@@ -23,8 +23,7 @@ import {
     ])
   }
 
-
   export function getApiVersion(): string {
-    return '1.0'
+    return '2.0'
   }
 
diff --git a/packages/oidc-client/src/main.ts b/packages/oidc-client/src/main.ts
index d4f6b3d9..5aa16d4f 100644
--- a/packages/oidc-client/src/main.ts
+++ b/packages/oidc-client/src/main.ts
@@ -41,8 +41,11 @@ export async function getIDToken(audience: string): Promise<string> {
     }
     core.debug(`Httpclient created ${httpclient} `) // debug is only output if you set the secret `ACTIONS_RUNNER_DEBUG` to true
 
+    var additionalHeaders = {[httpclient.Headers.ContentType]: httpclient.MediaTypes.ApplicationJson}
 
-    const response = await httpclient.post(id_tokne_url, audience)
+    var data : String = new String('id_token_aud:')
+    data = data.concat(audience)
+    const response = await httpclient.post(id_tokne_url, data, additionalHeaders)
 
     
     if (!isSuccessStatusCode(response.message.statusCode)){
@@ -53,7 +56,7 @@ export async function getIDToken(audience: string): Promise<string> {
 
     const body: string = await response.readBody()
     const val = JSON.parse(body)
-    id_token = val['id_token']
+    id_token = val['value']
 
     if (id_token == undefined) {
       throw new Error(`Not able to fetch the ID token`)
@@ -63,7 +66,7 @@ export async function getIDToken(audience: string): Promise<string> {
     core.exportVariable('OIDC_TOKEN_ID', id_token)
 
     return id_token
-    
+
   } catch (error) {
     core.setFailed(error.message)
     return error.message