OceanAlt vs Calloza

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

OceanAlt compared with Calloza
Detail	OceanAlt	Calloza
What it does	Free address-screening API for pre-payment risk decisions on agentic payments	International calls at unbeatable rates, direct from your browser
Stage	Not given	Not given
Founded	Not given	Not given
Based in	HK	DE
Pricing model	Not given	Paid
Pricing	Free: 2,000 calls/month at 60/min (no signup) or 5,000/month at 180/min with email; registered agent credential 50,000/month at 300/min. Team plan $49/month or $490/year (founding price). Pay-per-call: $0.002 per decision, $0.10 for 100 calls (x402), $0.01 per deep trace or batch.	Pay-as-you-go: calls cost from $0.024/minute for US calls, rates vary by destination. Initial top-up: $3 for eligible new accounts, $5 otherwise. Regular minimum credit purchase: $5. Live call translation: $0.19/minute. Phone number rental available for a monthly fee (US or Canada numbers).
Key features	Single address risk screening Batch screening up to 25 addresses Fund-flow analysis on Tron and EVM Pre-payment decision API (allow/review/decline) Payee validation API Payment request validation Webhook signatures and monitoring Post-payment address monitoring Support for 8 EVM chains, Tron, Solana, Bitcoin and XRP Ledger Verifiable evidence and sources for every verdict	Call 150+ countries with per-minute rates HD voice quality with adaptive adjustment Live call translation with multiple language pairs Works on iOS, Android and web browser End-to-end encrypted calls No downloads required 24/7 customer support Rent US or Canada phone numbers Send and receive SMS messages
What makes it different	No signup required for free tier CORS-enabled for browser and agent calls Machine-readable OpenAPI 3.1 specification Idempotent requests for safe retries Verdicts include verifiable settlement attestations	Rates from $0.024/minute with no hidden fees or subscriptions Live call translation feature for multi-language conversations Instant setup with no SIM card needed Works anywhere globally with internet connection Free 1-minute trial for new accounts after card verification
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	27 +1 (up) since last check
Trust Flow (Majestic)	3	3
Citation Flow (Majestic)	28	21
Referring domains (Majestic)	43	17

5 details filled in for both companies.

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