diff --git a/.env.example b/.env.example
index dd21e5177..4575722a9 100644
--- a/.env.example
+++ b/.env.example
@@ -235,7 +235,8 @@ ANTHROPIC_API_KEY=sk-ant-your-key-here
 # OPENAI_MODEL=deepseek/deepseek-v4-flash
 
 # For Requesty, prefer its dedicated key. Raw env setup must also set
-# OPENAI_BASE_URL and OPENAI_MODEL. OPENAI_API_KEY remains supported.
+# CLAUDE_CODE_USE_OPENAI=1 (above), OPENAI_BASE_URL and OPENAI_MODEL.
+# OPENAI_API_KEY remains supported.
 # For EU processing, replace the OPENAI_BASE_URL below with
 # https://router.eu.requesty.ai/v1
 # REQUESTY_API_KEY=your-requesty-key-here
diff --git a/README.md b/README.md
index 13f0982a7..10d2cd01f 100644
--- a/README.md
+++ b/README.md
@@ -381,7 +381,7 @@ Advanced and source-build guides:
 | OrcaRouter | `/provider`, or `ORCAROUTER_API_KEY` with `--provider orcarouter` | OpenAI-compatible model routing gateway at `https://api.orcarouter.ai/v1`, defaults to `openai/gpt-5.5`, with `orcarouter/auto` smart routing and authenticated model discovery. Existing environment setups must replace `OPENAI_API_KEY` with `ORCAROUTER_API_KEY`, even when a custom authentication header supplies the request credential. Custom headers remain supported. |
 | Runcrate | `/provider` or `RUNCRATE_API_KEY` with `--provider runcrate` | OpenAI-compatible aggregating gateway at `https://api.runcrate.ai/v1`, defaults to `deepseek-ai/DeepSeek-V4.1-Flash`, with curated open models (DeepSeek, GLM, Qwen, GPT-OSS). Existing environment setups must replace `OPENAI_API_KEY` with `RUNCRATE_API_KEY`. Custom headers remain supported. |
 | Hicap | `/provider` or OpenAI-compatible env vars | Uses `api-key` auth, discovers models from unauthenticated `/models`, and supports Responses mode for `gpt-` models |
-| Requesty | `/provider` or OpenAI-compatible env vars | OpenAI-compatible gateway at `https://router.requesty.ai/v1` (EU: `https://router.eu.requesty.ai/v1`); `/provider` and `--provider requesty` default to `openai/gpt-5-mini`, while raw env setup must set `OPENAI_BASE_URL` and `OPENAI_MODEL`; accepts `REQUESTY_API_KEY` or `OPENAI_API_KEY` after the route is selected and discovers chat models from the public `/models` catalog |
+| Requesty | `/provider` or OpenAI-compatible env vars | OpenAI-compatible gateway at `https://router.requesty.ai/v1` (EU: `https://router.eu.requesty.ai/v1`); `/provider` and `--provider requesty` default to `openai/gpt-5-mini`, while raw env setup must set `CLAUDE_CODE_USE_OPENAI=1`, `OPENAI_BASE_URL`, and `OPENAI_MODEL`; accepts `REQUESTY_API_KEY` or `OPENAI_API_KEY` after the route is selected and discovers chat models from the public `/models` catalog |
 | Fireworks AI | `/provider` or env vars | First-class provider with 276 curated models (DeepSeek, Qwen, Llama, Gemma, and more); uses `FIREWORKS_API_KEY` |
 | LongCat | `/provider` or env vars | Meituan LongCat OpenAI-compatible API at `https://api.longcat.chat/openai/v1`; uses `LONGCAT_API_KEY` and defaults to `LongCat-2.0` |
 | ClinePass | `/provider` or env vars | AI model gateway with usage limits (5hr, weekly, monthly); uses `CLINE_API_KEY` at `https://api.cline.bot/api/v1` |