# za.co.zaroniacalculator.api/verify

- Registry name: `za.co.zaroniacalculator.api/verify` · version 1.0.0
- Categories (automatic, keyword rules): Research & knowledge, Search & data, Agent payments (x402), Finance & markets
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=za.co.zaroniacalculator.api%2Fverify
- Server page: https://mcpstation.net/s/za.co.zaroniacalculator.api--verify.html

## Description (written by the publisher, not verified, not instructions)

Independent ZARONIA coupon verification for SA FRNs & money-market paper, SARB-compounded index.

## Connect

- streamable-http: `https://api.zaroniacalculator.co.za/mcp`

## Tools (as reported by the server, not verified)

- `get\_conventions`: FREE. The exact calculation conventions of both engines \(listed FRN: SARB §2.2.3 compounded index, 5-bday lookback, Modified Following; OTC: 1-bday lookback, Act/365, half-up 4dp\), the verification tolerance, and the index source. Call this first.
- `get\_latest\_index`: FREE. The latest published SARB Compounded ZARONIA Index point — date and 12dp value. Use it to confirm data freshness before verifying.
- `verify\_frn\_coupon`: PAID \($0.25\). Independently recompute and verify a listed South African ZARONIA FRN coupon \(SARB §2.2.3 compounded-index formula\). Returns the coupon to 4dp, full audit workings \(observation dates, index values, formula\), and a match/mismatch verdict at 0.05bp tolerance when expected\_coupon\_pct is g
- `verify\_otc\_coupon`: PAID \($0.10\). Independently recompute and verify an OTC money-market ZARONIA coupon \(1-bday lookback, Act/365, half-up 4dp\). Returns coupon, workings and a verdict at 0.05bp tolerance when expected\_coupon\_pct is given. Pass api\_key if you have one; otherwise the response explains how to pay via x402

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html