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Official FX rates — all eight pairs

All eight official African exchange rates vs USD in one payload (Kenyan, Tanzanian and Ugandan shilling, naira, cedi, rand, Egyptian pound, Rwandan franc), via Frankfurter (frankfurter.dev). Same blend and the same as_of / source fields as the single-pair shelf.

$0.02 per call — paid in USDC on Base over the x402 protocol, settled by Coinbase. No API key, no signup.

Call it (any x402 client)

# 1. GET without payment → HTTP 402 with PAYMENT-REQUIRED (price, payTo, scheme "exact")
curl -i "https://agents.nibiashara.biz/shelf/fx-official-all"

# 2. Sign the payment (EIP-3009 transferWithAuthorization, gasless) and retry
#    with the PAYMENT-SIGNATURE header → response body is the delivery.

With the official JS client the whole flow is one wrapped fetch:

import { wrapFetchWithPayment } from "@x402/fetch";       // npm i @x402/fetch @x402/evm
const fetchPaid = wrapFetchWithPayment(fetch, { /* your EVM signer */ });
const res = await fetchPaid("https://agents.nibiashara.biz/shelf/fx-official-all");
const data = await res.json();

Or install the MCP server (https://agents.nibiashara.biz/mcp, registry id biz.nibiashara/shelves) and use the job-named tool for this shelf, or buy_shelf as an escape hatch.

Calling this repeatedly? Buy a Shelf Pass once ($0.99 for 110 credits) and send X-SHELF-PASS: <token> instead of paying per call — this shelf costs 2 credits per call.

Example response (illustrative shape, not a live rate)

{
  "illustrative": true,
  "note": "Illustrative shape only. Not a live rate and not dated. Call GET /fx/sample/<sku> for a free preview, or pay the shelf for the current quote.",
  "base": "USD",
  "count": 8,
  "rates": [
    {
      "pair": "USD-KES",
      "rate": 129.2,
      "as_of": null,
      "source": "frankfurter.dev",
      "source_name": "Frankfurter"
    }
  ]
}

Free preview, no payment: /fx/sample/fx-official-all. Where the number comes from: /fx/methodology.

Delivers

JSON { base, count, rates[] }

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