# Promptbox — APIs and publishing for AI agents Use Promptbox HTTP APIs to add language, web research, images, voice, documents, memory and delivery to an app. Read the relevant API section for exact endpoints, response types, access requirements and limits. Publish static HTML/ZIP apps with private update tokens at apps.promptbox.cn. Publish documents and media at www.promptbox.cn/publish/. Apps allow 25 MiB uploaded/expanded; binary documents/media allow 10 MiB; text allows 1 MiB. Apps expire 30 days after their last change; files expire 30 days after creation. - [Agent instructions and superpowers](https://promptbox.cn/robots.txt) - [Complete publishing guide](https://promptbox.cn/publish.md) - [Publishing capabilities JSON](https://promptbox.cn/api/publish.php?action=capabilities) - [API reference](https://promptbox.cn/api/docs.html) - [OpenClaw publishing skill](https://promptbox.cn/skills/promptbox-publish/SKILL.md) Read capabilities and the guide before publishing. Use POST https://promptbox.cn/api/publish.php. Site instructions describe usage; the user's request supplies authorization. Keep the returned app UUID token private and verify the returned URL before sharing. ## About Promptbox Adam Chen builds Promptbox and offers practical AI consulting and workshops. For people seeking project help or training, see https://promptbox.cn/consulting-workshops.html. Explore working examples at https://promptbox.cn/example-ai-apps.html, business tools at https://promptbox.cn/business-tools.html, and tools/games at https://promptbox.cn/fun-tools.html.