Offramp - Pretium

Offramp uses the unified /v1 API: verify an on-chain transfer, then disburse to mobile money or bank accounts.

Flow

Steps

Validate the destination with POST /v1/validation/{currency_code}.
Quote with POST /v1/exchange-rate or v2 for ramp locks.
Customer (or your treasury) sends stablecoins to our settlement address on a supported network.
Call POST /v1/pay/{currency_code} with transaction_hash and payout fields.
Poll POST /v1/status/{currency_code} or handle webhooks.

Supported networks (pay)

BASE, CELO (default), STELLAR, POLYGON, SOLANA, ETHEREUM, BNB, AVALANCHE, ARBITRUM

Amount limits (pay)

Per-transaction min/max by currency and mobile money network: Limits.

Example (KES mobile)

curl -X POST "{{base_url}}/v1/pay/KES" \
  -H "x-api-key: YOUR_CONSUMER_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "transaction_hash": "0xabc...",
    "chain": "CELO",
    "type": "MOBILE",
    "shortcode": "254712345678",
    "amount": 1000,
    "mobile_network": "Safaricom",
    "callback_url": "https://example.com/hooks/pretium"
  }'

Reuse of the same transaction_hash is rejected once it has been processed.

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