How to create a crypto invoice priced in USD
Bill in dollars, get paid in crypto: create a CryptoLike invoice in the cabinet or with POST /v1/invoices, lock the rate, set the time to pay and track the status.
8 min read
Blog
Articles about API · Page 2
CryptoLike articles and guides about API: how it works in crypto payments, what the statuses mean and how to integrate it step by step.
Idempotency keys in payment APIs: how not to charge or pay twice
Why retries create duplicate payments and payouts, and how CryptoLike prevents them: Idempotency-Key, payout_id, order_id and webhook event_id, with code.
8 min read
Mass crypto payouts: CSV of up to 1,000 rows or the API
Send mass crypto payouts with CryptoLike: a CSV of up to 1,000 rows confirmed with one 2FA code, or the API with payout_id. Whitelist, approvals, fees, errors.
6 min read
Pricing in USD, getting paid in crypto: how the rate lock works
How CryptoLike turns a USD, EUR, UAH, GBP or CAD price into a crypto amount, how long the rate holds, why there is no spread and what happens to late payments.
9 min read
Protect crypto payouts: address whitelist and a second approval
Set up CryptoLike payout controls step by step: 2FA, an address whitelist with a 24-hour delay, a second approval above your threshold, narrow API keys and alerts.
9 min read
Verify crypto payment webhooks: HMAC-SHA256 in TypeScript, Python, Go, PHP
Check CryptoLike webhook signatures step by step: raw body, timestamp tolerance, constant-time compare, event_id dedup — code in TypeScript, Python, Go and PHP.
6 min read