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Free Coffee via Octopus Energy's Internal GraphQL API

Free Coffee via Octopus Energy's Internal GraphQL API

by pi3rre·Mar 9, 2026·1 point·0 comments
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AI Analysis

●MidShip It

Clever GraphQL reverse-engineering, but the API is deprecated and vanishes in August.

Strengths
  • •Smart use of Chrome DevTools to discover undocumented internal endpoints.
  • •Token rotation logic handles 60-minute expiry with automatic refresh fallback.
Weaknesses
  • •Blog post about a hack, not a reusable product or library.
  • •The claimOctoplusReward mutation is deprecated and scheduled for removal.
Category
Other
Target Audience

UK Octopus Energy customers

Post Description

Octopus Energy gives Octoplus members a free weekly coffee at Nero or Greggs, but codes drop before 5am and are gone instantly. I reverse engineered the GraphQL API their web app uses, built a small Python poller on a VPS, and now claim it automatically every Monday night.

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