HBAR/USD rate

curl --request GET \
  --url http://localhost:4402/v1/rates/hbar

const options = {method: 'GET'};

fetch('http://localhost:4402/v1/rates/hbar', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:4402/v1/rates/hbar"

response = requests.get(url)

print(response.text)

{
  "pair": "HBAR/USD",
  "usdPerHbar": 0.0627,
  "centsPerHbar": 6.27,
  "source": "hedera network exchange rate file via mirror node",
  "expirationTime": 1789563600,
  "fetchedAt": "2026-09-13T12:34:56.789Z",
  "agora": {
    "seller": "uaid:aid:2NEpo7TZRRrLZSi2U;uid=agora-demo-seller;registry=agora402;proto=a2a;nativeId=hedera:testnet:0.0.5001234;domain=localhost:4402"
  }
}

{
  "error": "payment required",
  "endpoint": "infer",
  "hint": "POST /a2a/quote with {\"endpointId\":\"infer\"} to negotiate, then retry with the quoteId",
  "quoteId": null
}

{
  "error": "rate source unavailable"
}