sats4ai.com: Book-to-audiobook conversion endpoint with L402 payment and async polling.
Pay-per-call endpoint from sats4ai.com. Price per call: 500 sat (≈ $0.408).
Proof
endpoint (shown as text, not a link, to avoid accidental calls):
https://sats4ai.com/api/l402/epub-audiobook“HTTP 402 + L402 invoice for 500 sat(s)”
Details
- Price per call
- 500 sat (≈ $0.408)
- Provider
- sats4ai.com
- Protocol
- L402 · BTC (Lightning)
- Method
- POST
- Price basis
- invoice amount decoded from an unpaid HTTP 402 response
- Last probed
- 2026-10-17
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