OceanAlt vs Checkslip

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 Checkslip
Detail	OceanAlt	Checkslip
What it does	Free address-screening API for pre-payment risk decisions on agentic payments	Bank slip verification API for transfer confirmation
Stage	Not given	Not given
Founded	Not given	Not given
Based in	HK	TH
Pricing model	Not given	Freemium
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.	Free: 50 credits when phone number is verified. Paid plans: Pack 500 (500 THB, 1,800 credits), Pack 700 (700 THB, 2,700 credits), Pack 1,200 (1,200 THB, 4,800 credits), Pack 1,500 (1,500 THB, 6,400 credits), Pack 3,500 (3,500 THB, 16,000 credits), Pack 5,000 (5,000 THB, 24,000 credits), Pack 10,000
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	QR code and slip image verification Bank transaction lookup with reference number, date/time, and amount Sender and recipient bank names and abbreviated names Last 4 digits of account numbers Webhook delivery of results Idempotency key for duplicate request handling Does not store slip images Credit charging only when bank confirms transaction Automatic re-checking for pending transactions Multiple credit pack options from 500 to 50,000 THB
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	Real-time verification directly from source bank records Does not store or log slip images for privacy Supports duplicate request detection without re-charging Free trial with 50 credits upon phone number 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	Not checked yet no change since last check
Trust Flow (Majestic)	3	0
Citation Flow (Majestic)	28	0
Referring domains (Majestic)	43	0

5 details filled in for both companies.

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