Welcome to the CoinPool API reference documentation. These APIs power cryptocurrency exchange between USDT and Fiat trading. API Base URL: https://crypto.westminister.techDocumentation Index
Fetch the complete documentation index at: https://docs.crypto.westminister.tech/llms.txt
Use this file to discover all available pages before exploring further.
Documentation: https://docs.crypto.westminister.tech
Introduction
Overview, base URL, and API structure
Quickstart
Get started in under 5 minutes
Authentication
PASETO tokens and refresh flow
API Reference
Full endpoint documentation with interactive playground
Guides
Pricing and FX
Profiles, FX quotes, and quote-backed snapshots
Orders and payments
Orders, off-ramp, M-Pesa, fee estimation
Transfers (P2P & B2B)
Internal, external, and B2B USDT transfers
Multisig wallets
B2B proposals, TRON signing, platform-managed vs collaborative flows
Features
- On-Ramp: Buy USDT with fiat via bank accounts or mobile money (e.g. MPesa for Kenya)
- Off-Ramp: Sell USDT for fiat via bank accounts or mobile money payout (e.g. MPesa)
- Ethereum and TRON: Multi-chain wallet support
- User Offers: Customers and merchants can create and manage trading offers
- OTC Flows: Bank and Mobile Money deposits/withdrawals for merchants
- Pricing and FX: Admin pricing profiles and FX quotes for auditable order and transfer snapshots
- P2P/B2B transfers: Platform and external USDT sends with optional pricing metadata
- Multisig: Collaborative and platform-managed multisig for high-value B2B flows