SanestlyPay
open source
Give AI agents spending power. Keep control.
What it does
SanestlyPay sits between your agent and the money. Every payment request is evaluated against policy before a provider is called: ALLOW, DENY, or REQUIRES_APPROVAL. Approvals are single-use, budgets are reserved atomically, and ambiguous provider outcomes are reconciled - never guessed.
The public Playground is a credential-free mock sandbox with nine scenarios and an audit timeline. The same gateway code runs locally with one command; SDKs wrap one OpenAPI contract so behavior stays identical across languages.
What is inside
- FastAPI gateway with HMAC signing, idempotency, and scoped keys (agent / approver / operator)
- Atomic budget reservations and single-use approvals - no self-approval, no double-settle
- Interactive mock Playground: nine scenarios, visitor isolation, audit timeline
- SDKs for Python, Node.js, PHP, Ruby, Rust, Java, and Swift
- MCP server plus LangChain, OpenAI, CrewAI, AutoGen, and LlamaIndex examples
- Mock-first: real providers (Stripe Issuing, x402) activate only with your credentials
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