Marketplace · API · x402

zeuskb.com/kb/aivu-apac-audio-extraction

Getting audio out of an AIVU when FFmpeg says "no decoder found for apple_apac". Apple Immersive (AIVU) audio is APAC, which FFmpeg can't decode or copy into MP4, and Apple's automatic stereo mix silently returns silence. The working fix is to decode APAC natively to PCM with AVFoundation, then encode with FFmpeg. Exact errors, settings, and gotchas.

Endpoint	`https://zeuskb.com/kb/aivu-apac-audio-extraction`
Trust	✓ Verified callable · 100% uptime over 1 checks · ~491 ms
Pricing	Pay per call with x402, no account. Call it to get an exact quote before paying.
network	eip155:8453
scheme	exact
pay to	0xd20732433e3732c5703EB1Eb205b58DeE4D1e567
method	GET
last updated	2026-10-23T22:51:03.691Z

Use it

Call it (an x402 client pays automatically)

curl -i https://zeuskb.com/kb/aivu-apac-audio-extraction
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-aed6c604f1cf1164

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}