> ## Documentation Index
> Fetch the complete documentation index at: https://docs.fincept.in/llms.txt
> Use this file to discover all available pages before exploring further.

# Solver Module

> Bond yield, implied vol solvers - Basic tier

# Solver Module

**Tier:** Basic | **Cost:** 1 credit | **Endpoints:** 25
Bond yield, duration, implied volatility, Z-spread, bootstrapping.
[Full API Reference →](/api-reference/quantlib-solver)