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  "markdown": "Co-founder.\n\n## What Charles builds\n\n- [CoinDesk Data API](https://www.anchorterminal.com/tools/coindesk-data-api.md), graded D, 46.7/100, in Data providers. Institutional market-data REST and WebSocket API covering spot, futures, options, reference-rate indices (CADLI, CCIX), asset metadata, on-chain data and news across 300+ exchanges, with an official hosted MCP server since May 2026. Co-founder, researched 2026-10-29.\n\n## Works with\n\n- [Vlad Cealicu](https://www.anchorterminal.com/people/vlad-cealicu/), Co-founder and former CTO\n\n## Backed by\n\n- [VanEck](https://www.anchorterminal.com/investors/vaneck/)\n\n## Questions\n\n### Who is Charles Hayter?\n\nCharles Hayter is co-founder.\n\n### What does CoinDesk Data (formerly CCData / CryptoCompare) make?\n\nAnchor Terminal lists CoinDesk Data API from CoinDesk Data (formerly CCData / CryptoCompare). Institutional market-data REST and WebSocket API covering spot, futures, options, reference-rate indices (CADLI, CCIX), asset metadata, on-chain data and news across 300+ exchanges, with an official hosted MCP server since May 2026.\n\n### Who has invested in CoinDesk Data (formerly CCData / CryptoCompare)?\n\nThe sources our research read name VanEck.\n\n### How are Charles's tools graded?\n\nCoinDesk Data API is graded D, 46.7 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.\n\n## Sources\n\n- https://data.coindesk.com/blogs/on-chain-data-series-ii-streamlining-blockchain-data-output-and-distribution\n- https://uk.linkedin.com/in/vcealicu\n- https://developers.coindesk.com/documentation\n- https://support.ccdata.io/hc/en-gb/requests/new\n- https://data.coindesk.com/company/contact\n\nThese are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.\n",
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