# Ucode

> Ucode is a credits-based virtual number app for lawful SMS verification. Rent a private number, receive one OTP, and pay only if the code arrives. Credits never expire. Failed SMS is auto-refunded. Available on iOS, Android, Web, Telegram, ChatGPT (MCP), and an x402 agent rail. Not a shared public inbox. Not for bulk account farming or ban evasion.

## Product facts
- Brand: Ucode
- Site: https://ucode.uk
- Offer: pay-per-use credits for virtual numbers + SMS OTP across 180+ countries and 600+ services
- Refund: credits return automatically if no SMS arrives
- Lawful use only: QA, privacy, travel, business verification
- Support: support@ucode.uk
- Editorial: Ucode Editorial (https://ucode.uk/about)

## Primary pages
- https://ucode.uk/
- https://ucode.uk/receive-sms-online
- https://ucode.uk/temporary-phone-number
- https://ucode.uk/sms-verification
- https://ucode.uk/pricing
- https://ucode.uk/api
- https://ucode.uk/agents
- https://ucode.uk/about
- https://ucode.uk/contact
- https://ucode.uk/blog
- https://ucode.uk/search
- https://ucode.uk/rss.xml
- https://ucode.uk/privacy
- https://ucode.uk/terms

## Agent discovery
- Docs: https://ucode.uk/agents
- Skill: https://ucode.uk/agents/SKILL.md
- MCP listing: https://ucode.uk/agents/mcp.json
- MCP server: https://mcp.ucodesim.com/mcp
- Catalog: https://app-api.ucodesim.com/api/v1/agent
- Add credits: https://app-api.ucodesim.com/api/v1/agent/credits
- x402: https://ucode.uk/.well-known/x402
- x402 (API host): https://app-api.ucodesim.com/.well-known/x402

## Comparison & hubs
- https://ucode.uk/ucode-vs-free-sms-sites
- https://ucode.uk/blog/ucode-vs-textnow
- https://ucode.uk/blog/google-voice-vs-virtual-number-for-verification
- https://ucode.uk/blog/free-vs-paid-virtual-numbers-which-one-works-better

## Flagship guides
- https://ucode.uk/blog/what-is-virtual-phone-number
- https://ucode.uk/blog/what-is-a-non-voip-phone-number
- https://ucode.uk/blog/virtual-number-for-whatsapp
- https://ucode.uk/blog/virtual-number-for-telegram
- https://ucode.uk/blog/how-much-do-virtual-numbers-cost
- https://ucode.uk/blog/best-alternatives-to-sms-receive-sites

Full URL list: https://ucode.uk/llms-full.txt
Sitemap: https://ucode.uk/sitemap.xml
RSS: https://ucode.uk/rss.xml
Search: https://ucode.uk/search?q={query}