# Vercel WebSocket support for OpenAI Responses API live on AI Gateway

- Product: Vercel (https://whatsnew.fyi/product/vercel)
- Vendor: Vercel
- Date: 2026-07-27
- Original notes: https://vercel.com/changelog/websocket-support-for-openai-responses-api-live-on-ai-gateway
- Permalink: https://whatsnew.fyi/product/vercel/releases/2026-07-27-websocket-support-for-openai-responses-api-live-o

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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AI Gateway now supports WebSocket mode for the OpenAI Responses API. You can keep a persistent connection open and continue each turn by sending only new input items plus previous_response_id , instea…

- **added** — WebSocket support for OpenAI Responses API on AI Gateway to maintain persistent connections and continue turns by sending new input items with previous_response_id