llm mock APIs
3 hosted mocks tagged llm. All free, all instant, all derived from the providers' published OpenAPI specs.
Jina AI
Mock the Jina AI embeddings, reranker, and multi-vector API so you can prototype RAG and retrieval flows without burning live tokens or hitting rate limits.
8 endpoints
Langfuse
Mock the Langfuse public API to exercise traces, observations, scores, sessions, prompts, datasets, and ingestion without writing to a real Langfuse project.
22 endpoints
Retell AI API
Mock the Retell AI voice agent API: simulate call registration, agent and LLM management, and phone-number provisioning without a real Retell account.
16 endpoints