One asset's price · Myntkaup API

Scope: Any valid key.
Rate-limit class: market
Authentication: Signed

Parameters

assetstringpathrequired
An upper-case asset symbol.
Matches ^[A-Z0-9]{1,15}$. Example: BTC.

Responses

200 OK

The price. application/json · Price

assetstring
An upper-case asset symbol.
Matches ^[A-Z0-9]{1,15}$.
quote_currency"USDC"
buystring (decimal)
sellstring (decimal)
updated_atstring (date-time)

Every response carries MK-Request-Id, plus RateLimit-Policy and RateLimit.

Errors

Errors use the error envelope. Match on code.

Status	Code	Meaning
400	`invalid_request`	The request is malformed: bad JSON, an unknown or invalid field, or a missing header.
401	`invalid_signature`	The MK-* headers are missing or malformed, the key id is unknown, or the signature doesn't match.
401	`key_expired`	The key has passed its expiry date.
401	`key_revoked`	The key was revoked.
401	`timestamp_out_of_range`	MK-Timestamp is more than 30 seconds from the server clock.
401	`nonce_reused`	This key already used this MK-Nonce.
403	`ip_not_allowed`	The request came from an address outside the key's IP allowlist.
404	`not_found`	No such resource.
429	`rate_limited`	Too many requests. Wait for Retry-After seconds.
429	`too_many_concurrent_requests`	Too many requests in flight for this key or account.
429	`key_suspended`	The key is suspended, for example after sustained rate limiting.
500	`internal_error`	Something went wrong on our side.
502	`bad_gateway`	An upstream service answered unexpectedly.
503	`overloaded`	The service is overloaded. Retry after Retry-After seconds.
503	`service_unavailable`	The service is temporarily unavailable.
504	`gateway_timeout`	An upstream service didn't answer in time. A POST may still complete; retry with the same Idempotency-Key.

# Signed by sign-headers.sh: see Authentication
curl https://public-api.myntkaup.is/v1/prices/BTC \
  $(./sign-headers.sh GET /v1/prices/BTC | sed 's/^/-H /')

import { Myntkaup } from "@myntkaup/api";

const client = new Myntkaup(); // reads the key from the environment
const price = await client.prices.get("BTC");
console.log(price.buy, price.sell);

from myntkaup import Myntkaup

client = Myntkaup()  # reads the key from the environment
price = client.prices.get("BTC")
print(price["buy"], price["sell"])

200 OK

{
  "asset": "BTC",
  "quote_currency": "USDC",
  "buy": "96000.12",
  "sell": "94100.55",
  "updated_at": "2026-11-03T10:15:09Z"
}

Base URL https://public-api.myntkaup.is