HelloHop vs Meterdoor

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

HelloHop compared with Meterdoor
Detail	HelloHop	Meterdoor
What it does	Independent WhatsApp API for developers with signed webhooks and group management	Express middleware for accepting payments in euros from humans via Stripe and USDC from AI agents via x402 on a single endpoint
Stage	Not given	Not given
Founded	Not given	Not given
Based in	TH	DE
Pricing model	Freemium	Freemium
Pricing	Free sandbox: 180 messages per day, 10 new chats per month, 1,500 API calls per month. Paid channels: 1-4 channels $25 USD per month or $240 USD per year each; 5-9 channels $20 USD per month or $192 USD per year each; 10+ channels $11 USD per month or $106 USD per year each.	Free core under Apache 2.0 license with both payment methods and Express integration. Pro Early Bird: 49 € including 19% VAT, one-time fee for 1 project, then 79 € (includes quotas, CSV payment log, webhook reconciliation, 12 months updates and support, delivery within 3 weeks or full refund). Team:
Key features	Send and receive WhatsApp messages Signed HMAC-SHA256 webhooks Group and community management Media support (images, video, audio, documents) Health panel with five readings per number Unlimited messages on paid channels Test delivery webhooks MCP server for AI agents Durable webhook outbox with retries Number warm-up and rate limiting (HopGuard)	Single endpoint accepts both euro payments via Stripe and USDC payments via x402 Time-limited access model for human users paying in euros Per-request billing for AI agents using USDC on x402 Cryptographic payment verification without holding funds Local demo mode without accounts or real payments Open source core under Apache 2.0 license Works with Base Sepolia testnet and Stripe test mode
What makes it different	Independent API not requiring Meta approval or per-conversation fees Flat pricing per number with no per-message fees Live in minutes with just a QR code scan Signed webhooks with outcome unknown state Free sandbox that never expires	Unified payment solution for both human users and AI agents from a single endpoint Funds go directly to your accounts; Meterdoor never touches the money Open source core provides transparency and no ongoing licensing costs Ready for production with AI agents despite their current low payment volume Local testing without creating accounts or handling real money
Community votes	0	0
DR (Domain Rating by Ahrefs)	25 −2 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	16	0
Referring domains (Majestic)	3	0

6 details filled in for both companies.

More alternatives to HelloHop More alternatives to Meterdoor