ISTERAPI

Ister API · private beta

Regional GPU price indices, by API

Each index's official daily print, the history of every series and the day's Index Record. REST with one key, as JSON or CSV, for code, Excel, Google Sheets or an AI assistant.

Read the docs →Connect an AI assistant →

Free tier · by invitation

Get an API key

Sign-up is by invitation while the API is in private beta. Invited? Ask for a sign-in link: on your account page you make and revoke your keys.

Plans

Free by invitation

For trying the index

€0

  • The H100 and B200 series, in every index
  • 7 days of history and Index Records
  • 120 calls an hour
  • JSON, CSV and the MCP server
Get a free key

Paid coming soon

For risk, settlement and research

TBAprice to be announced

  • Every GPU's series, in every index
  • All history, from the first print (27 Oct 2026)
  • Every Index Record
  • History as first printed
  • 1,200 calls an hour
Notify me

Compare all features

What's includedFreeby invitationPaidcoming soon
SeriesH100 and B200, every indexEvery GPU, every index
History7 daysAll, from 27 Oct 2026
Index RecordsLast 7 daysEvery date
History as first printed—✓
Calls an hour1201,200
FormatsJSON, CSVJSON, CSV
MCP server for AI assistants✓✓
PriceFreeTo be announced

Quick start

  1. Ask for a sign-in link

    In the box at the top. On your account page, accept the terms and make a key; keep it in ISTER_KEY.

  2. Call the API

    curl -H "Authorization: Bearer $ISTER_KEY" "/v1/series"

  3. Read the answer

    JSON: data, the latest print of each series your tier reads, and meta, your tier and the dates it reads. Add format=csv for CSV. Every route and field is in the docs.