Gapier

Gapier is a free toolkit offering 50 tailor-made Actions APIs specifically designed for GPT creators who want to supercharge their ChatGPT experience. If you've been building custom GPTs but hit a wall trying to add new capabilities, Gapier is your shortcut. Its diverse, easily integrable APIs let you expand what your GPTs can do — without needing any technical expertise. Connect in just one minute, pick the APIs that match your use case, and give your GPT new superpowers. Whether you're a solo creator or building AI tools for a team, Gapier makes extending ChatGPT functionality effortless and completely free.