About Perplexity API (pplx-api / Sonar)
Perplexity’s developer APIs (pplx-api / Sonar) provide fast inference access to open-source LLMs and Perplexity’s grounding/search features, enabling programmatic AI search, retrieval-augmented answers, and hosted open-model inference.
Key Features
- Fast inference system designed to serve open-source models and Perplexity LLMs.
- Developer APIs for programmatic queries, model access, and grounding/search capabilities.
- Ongoing expansions for custom models, embeddings, RAG features and dedicated API access in beta/public phases.
Use Cases & Best For
Developers building AI-powered search or answer engines that need web-grounded responses and open-model access.
Teams wanting a one-stop API to experiment with fast open-model inference and Perplexity’s search/grounding features.
About LLM Development
Tools for building with large language models