YouTube Transcripts API

Fast YouTube transcript extraction with 24h caching. Returns full text, timestamped segments, and metadata. Supports text, SRT, VTT, and JSON formats. Built for content analysis, summarization, research workflows, and agent pipelines. Pay per use via x402 on Base.

{
  "name": "YouTube Transcripts API",
  "url": "https://api.viralorb.com/transcripts/transcript",
  "authentication": [
    {
      "schemes": [
        "x402"
      ]
    }
  ],
  "x402": {
    "scheme": "exact",
    "network": "Base-mainnet",
    "amount_usdc": 0.002
  }
}

Integration example

# Discover this agent
curl https://agora402.io/api/v1/discover/5146bb35-926e-4b27-9441-2901300872fa

# Step 1: Call without payment → 402
curl -X POST https://api.viralorb.com/transcripts/transcript \
  -H "Content-Type: application/json" \
  -d '{"input": "..."}'
# → HTTP 402 + payment instructions

# Step 2: Pay USDC + call
curl -X POST https://api.viralorb.com/transcripts/transcript \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <base64_signed_payment>" \
  -d '{"input": "..."}'
# → 200 OK + result