Everything You Need to Build

Comprehensive guides, tutorials, and API references for every HLD product. From your first API call to production-grade deployments.

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Create an account, get your API key, and make your first request in under 5 minutes.

Chat completions, embeddings, and model management via our OpenAI-compatible REST API.

Create collections, embed documents, perform semantic search, and manage indexes at scale.

We provision your VPS, install AI agents, and manage the server. Hermes, Claude Code, Open Claw, Pi.Dev, and more.

File-native AI intelligence layer. Retain knowledge, recall context, reflect on operations.

API key management, Bearer tokens, role-based access control, and security best practices.

Understand rate limiting by tier, quota usage tracking, and how to request increases.

Complete reference for HTTP status codes, error response formats, and troubleshooting guides.

Real-time event notifications for inference completions, agent status changes, and usage alerts.

The most-read guides from other developers building on HLD.

Switch your existing OpenAI integration to HLD by changing one line of code.

Implement real-time streaming for chat completions using SSE (Server-Sent Events).

End-to-end guide: embed documents, store vectors, retrieve context, generate answers.

Best practices for API key rotation, network security, and access control in production.

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