- Webhook events — the events Meld sends you when transactions are created and updated, with payload examples
- Webhook authentication — how to verify webhook signatures
- Transaction statuses — the full list of crypto transaction statuses and what each one means
- Service-provider setup — how to add additional onramps for greater coverage and redundancy
- Sandbox guide — test cards, wallets, KYC triggers, and provider-specific sandbox notes
For All Products
For All Products
This section applies to all Meld crypto products
This section is for developers integrating any of Meld’s three crypto products (White-Label API, Meld Checkout, or Virtual Account). The pages here cover the cross-cutting concepts — webhooks, transaction statuses, sandbox testing, and provider onboarding — you’ll need regardless of which product you picked.