OpenAPI Specification for LlamaParse and LlamaIndex APIs

Not sure about the OpenAPI spec but
For llamaparse, you can check:https://docs.cloud.llamaindex.ai/llamaparse/getting_started/api

and examples here: https://docs.cloud.llamaindex.ai/llamaparse/getting_started/python

https://github.com/run-llama/llama_parse/tree/main/examples

1. For LlamaIndex, there are no APIs as such as its a framework. If you have something else in mind do elaborate