---
title: "USDC & EURC Issuance History"
method: GET
path: "/api/x402/v1/stablecoins/history"
tags: ["stablecoins", "usdc", "eurc", "issuance", "history"]
---

# USDC & EURC Issuance History

`GET /api/x402/v1/stablecoins/history`

## Request

- Base URL: `https://www.blockchainiq.co`
- URL: `https://www.blockchainiq.co/api/x402/v1/stablecoins/history`
- Auth: none declared

Daily Circle USDC or EURC history for one chain (Ethereum, Base, Arbitrum), up to 365 days: end-of-day supply, mints, burns, net issuance split CCTP / Gateway / other minters, control events and blacklist changes. Every day reconciles exactly (supply change = mints - burns); missing days are listed, never zero-filled. Use to chart stablecoin issuance and cross-chain flows. JSON, no API key. $0.01 per call. Blockchain IQ.

## Response `200`

Circle USDC and EURC daily history — JSON envelope with source, disclaimer, terms and data ({ chain, token, contract, from, to, requestedDays, days, gaps } (plus top-level count, gapCount and classes): days are { day, endBlock, totalSupply, supplyChange, mints, burns, mintEvents, burnEvents, netIssuance { cctpV1, cctpV2, gateway, unlabelled }, controlEvents, blacklistAdds, blacklistRemoves, paused }, oldest first).

- object

## Other responses

- `402`: Payment Required

---

[API](https://skmtc.dev/blockchainiq/apis/blockchain-iq-x402-api.md) · [All operations](https://skmtc.dev/blockchainiq/apis/blockchain-iq-x402-api/llms.txt) · [OpenAPI document](https://skmtc.dev/blockchainiq/apis/blockchain-iq-x402-api/revisions/b821ab4f9fdd?raw)