Cinderwright tool wraps 2,835 paid APIs into one LangChain key
u/Spark_by_Spark built Cinderwright, a single LangChain tool that routes agent calls to 2,835 paid APIs via a payment proxy using Bitcoin Lightning or USDC, eliminating the need to manage multiple API keys and subscriptions.
Score breakdown
Cinderwright replaces the need to manage dozens of individual API keys and billing accounts by routing all paid API calls through a single proxy with per-call micropayments.
- 01Cinderwright provides access to 2,835 paid APIs through a single LangChain tool and one API key.
- 02The proxy settles per-call payments via Bitcoin Lightning or USDC.
- 03Installs with `pip install cinderwright`; the tool is `CinderwrightTool`.
u/Spark_by_Spark shared Cinderwright, a tool designed to solve a common pain point for AI agent developers: needing to manage many separate API keys and subscriptions to call paid third-party services. Cinderwright acts as a payment proxy, exposing all 2,835 supported services through a single `CinderwrightTool` and one API key. The proxy handles service selection and settles payments per call using Bitcoin Lightning or USDC.
Integration is straightforward — `pip install cinderwright`, import `CinderwrightTool`, pass in an API key, and drop the tool into any agent.
Integration is straightforward — `pip install cinderwright`, import `CinderwrightTool`, pass in an API key, and drop the tool into any agent. The post includes a Colab notebook with working examples for LangChain, LangGraph, and CrewAI. New accounts start with $0.10 in free credit and require no upfront deposit.
Key facts
- 01Cinderwright provides access to 2,835 paid APIs through a single LangChain tool and one API key.
- 02The proxy settles per-call payments via Bitcoin Lightning or USDC.
- 03Installs with `pip install cinderwright`; the tool is `CinderwrightTool`.
- 04Compatible with LangChain, LangGraph, and CrewAI.
- 05A Colab quickstart notebook with working examples is hosted on GitHub.
- 06New accounts receive $0.10 in free credit with no deposit required.
Topics
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