VaxVoIP Agent AI SDK vs FinzData

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

VaxVoIP Agent AI SDK compared with FinzData
Detail	VaxVoIP Agent AI SDK	FinzData
What it does	SIP-to-OpenAI gateway for building real-time multilingual AI voice agents	Point-in-time market data API for backtesting and quantitative research
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
Pricing model	Paid	Freemium
Pricing	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)	Free: 1,000 calls/day, last 12 months of data. Look-back history: $195 for 5 years (one-time), $290 for 10 years, $385 for 15 years, $480 for 20 years, $575 for 25 years, $670 for 30 years, plus $19.95/month for daily updates. Individual products: GEX from $29 per ticker, futures from $49 per market
Key features	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	16,000+ US stocks including delisted names with 26+ years of history Point-in-time dealer gamma (GEX) for 11,209 stocks, ETFs and indexes since 2010 22,700+ macro series with historical vintages and revisions Intraday bars at 1-minute, 5-minute, 15-minute, 30-minute, hourly and daily resolutions SEC fundamentals and 13F institutional holdings point-in-time since 2013 Python client with yfinance-style interface returning pandas DataFrames MCP server integration for AI agents including Claude and ChatGPT COT positioning data since 1986 for futures markets CSV and Parquet download formats with bulk file options
What makes it different	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	Survivorship-free: includes 9,000+ delisted stocks that broker APIs omit for more realistic backtests Point-in-time accuracy prevents look-ahead bias in fundamentals and macro data All data accessible through single API without stitching multiple sources together Data ownership: purchased history is yours to download and keep forever Intraday bars back 26+ years unlike brokers that provide only 60 days
Community votes	0	0
DR (Domain Rating by Ahrefs)	21 −3 (down) since last check	2 +1 (up) since last check
Trust Flow (Majestic)	44	3
Citation Flow (Majestic)	31	26
Referring domains (Majestic)	95	18

5 details filled in for both companies.

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