spoken.md vs VaxVoIP Agent AI SDK

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

spoken.md compared with VaxVoIP Agent AI SDK
Detail	spoken.md	VaxVoIP Agent AI SDK
What it does	Podcast transcript API returning episodes as clean, speaker-labeled Markdown for AI agents	SIP-to-OpenAI gateway for building real-time multilingual AI voice agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	NL	Not given
Pricing model	Not given	Paid
Pricing	Starter: 100 transcripts for $15 ($0.15 each); Standard: 500 transcripts for $50 ($0.10 each, save 33%); Volume: 2,000 transcripts for $160 ($0.08 each, save 47%). Top-ups: 100 credits for $10, 500 credits for $40, 2,000 credits for $120. One credit per episode regardless of length. Prices exclude t	Annual commercial licensing: 10 concurrent calls $1,480, 20 concurrent calls $2,620, 40 concurrent calls $4,420, 80 concurrent calls $6,420, 160 concurrent calls $8,860, Unlimited concurrent calls $10,680, Unlimited services and unlimited concurrent calls $16,860 (all USD, one year, contact sales)
Key features	Search episodes by title, guest name, or podcast URL from Spotify or YouTube AI-powered speaker detection to identify hosts and guests by context Returns transcripts as clean Markdown with speaker names in bold and timestamps List entire show back catalogs in one free API call Track new episodes with /new endpoint to keep archives current Support for multiple languages including Italian, German, Spanish, French and Portuguese Integration with AI agents via MCP server, OpenAPI spec, and agent skills No re-charge for fetching the same episode twice Typical one-hour episode fits in one LLM context window at 8,000–15,000 tokens	SIP server and IP-PBX integration OpenAI real-time speech-to-speech models Multilingual voice interaction Real-time SIP audio processing Sample source code in C#, VB.NET, and Delphi 30-day fully functional trial Simplified OpenAI integration Commercial B2B deployment licensing
What makes it different	Per-episode pricing instead of subscription, with credits that never expire 14-day full refund if used 20 or fewer credits Errors like 404 and 502 are never charged Works with any show that publishes a transcript, with free search to verify coverage first	Gateway handles SIP audio bridging so developers focus on voice-agent logic Direct real-time connection between SIP calls and OpenAI speech models Eliminates complex OpenAI protocol and media integration overhead Includes working sample projects with documentation and demo videos Supports natural multilingual conversations on live calls
Community votes	0	0
DR (Domain Rating by Ahrefs)	22 +13 (up) since last check	25 +1 (up) since last check
Trust Flow (Majestic)	24	44
Citation Flow (Majestic)	28	31
Referring domains (Majestic)	75	95

4 details filled in for both companies.

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