plugmyagent

AssemblyAI

Audio & Speech Free key (no card)

AuthenticationFree key (no card)
Rate limit$50 free credit, never expires; requests pause (not charged) when balance reaches zero.

Documentation: www.assemblyai.com ยท Checked Sep 13, 2026

About

AssemblyAI converts audio and video into text with extras like speaker detection, summaries, and sentiment analysis. New accounts get $50 in free credits that never expire, and your access simply pauses when the balance hits zero. No surprise charges. It's a favorite for podcasts, meetings, and call analysis.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: $50 free credit, never expires; requests pause (not charged) when balance reaches zero.

Verified: 2026-09-13

Best for: business

Read the docs Back to catalog

Setup

  1. Sign up at assemblyai.com. $50 credit is added automatically.
  2. Copy your API key from the dashboard.
  3. Upload audio or pass a public audio URL to /v2/transcript.
  4. Poll the transcript endpoint until status is completed, then read the text.
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