Remove /v1 from all API endpoints

codex-cli/src/utils/get-api-key.tsx

@@ -221,7 +221,7 @@ async function maybeRedeemCredits(
         ? "https://api.openai.com"
         : "https://api.openai.org";
 
-    const redeemRes = await fetch(`${apiHost}/v1/billing/redeem_credits`, {
+    const redeemRes = await fetch(`${apiHost}/billing/redeem_credits`, {
       method: "POST",
       headers: { "Content-Type": "application/json" },
       body: JSON.stringify({ id_token: currentIdToken }),

codex-rs/core/src/model_provider_info.rs

@@ -22,10 +22,10 @@ use crate::openai_api_key::get_openai_api_key;
 #[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Serialize, Deserialize)]
 #[serde(rename_all = "lowercase")]
 pub enum WireApi {
-    /// The experimental “Responses” API exposed by OpenAI at `/v1/responses`.
+    /// The experimental "Responses" API exposed by OpenAI at `/responses`.
     #[default]
     Responses,
-    /// Regular Chat Completions compatible with `/v1/chat/completions`.
+    /// Regular Chat Completions compatible with `/chat/completions`.
     Chat,
 }
 

codex-rs/core/src/models.rs

@@ -62,7 +62,7 @@ pub enum ResponseItem {
         call_id: String,
     },
     // NOTE: The input schema for `function_call_output` objects that clients send to the
-    // OpenAI /v1/responses endpoint is NOT the same shape as the objects the server returns on the
+    // OpenAI /responses endpoint is NOT the same shape as the objects the server returns on the
     // SSE stream. When *sending* we must wrap the string output inside an object that includes a
     // required `success` boolean. The upstream TypeScript CLI does this implicitly. To ensure we
     // serialize exactly the expected shape we introduce a dedicated payload struct and flatten it

codex-rs/core/tests/live_cli.rs

@@ -1,6 +1,6 @@
 #![expect(clippy::expect_used)]
 
-//! Optional smoke tests that hit the real OpenAI /v1/responses endpoint. They are `#[ignore]` by
+//! Optional smoke tests that hit the real OpenAI /responses endpoint. They are `#[ignore]` by
 //! default so CI stays deterministic and free. Developers can run them locally with
 //! `cargo test --test live_cli -- --ignored` provided they set a valid `OPENAI_API_KEY`.
 

codex-rs/core/tests/previous_response_id.rs

@@ -71,7 +71,7 @@ async fn keeps_previous_response_id_between_tasks() {
         .set_body_raw(sse_completed("resp1"), "text/event-stream");
 
     Mock::given(method("POST"))
-        .and(path("/v1/responses"))
+        .and(path("/responses"))
         .and(NoPrevId)
         .respond_with(first)
         .expect(1)
@@ -84,7 +84,7 @@ async fn keeps_previous_response_id_between_tasks() {
         .set_body_raw(sse_completed("resp2"), "text/event-stream");
 
     Mock::given(method("POST"))
-        .and(path("/v1/responses"))
+        .and(path("/responses"))
         .and(HasPrevId)
         .respond_with(second)
         .expect(1)

codex-rs/core/tests/stream_no_completed.rs

@@ -67,7 +67,7 @@ async fn retries_on_early_close() {
     }
 
     Mock::given(method("POST"))
-        .and(path("/v1/responses"))
+        .and(path("/responses"))
         .respond_with(SeqResponder {})
         .expect(2)
         .mount(&server)

codex-rs/login/src/login_with_chatgpt.py

@@ -561,7 +561,7 @@ def maybe_redeem_credits(
     try:
         redeem_payload = json.dumps({"id_token": id_token}).encode()
         req = urllib.request.Request(
-            url=f"{api_host}/v1/billing/redeem_credits",
+            url=f"{api_host}/billing/redeem_credits",
             data=redeem_payload,
             method="POST",
             headers={"Content-Type": "application/json"},