generated: '2026-07-18'
method: searched
source: https://chain.com/documentation/authentication
notes: >-
  Chain publishes a separate sandbox environment for testing without moving real funds. Captured from
  the authentication and documentation pages. No specific magic test values (test cards, test bank
  accounts) were published in a resolvable form at probe time, so none are asserted here.
environments:
  sandbox:
    key_prefix: sk_sandbox_
    purpose: Testing without moving real funds.
    rate_limit: 100 requests/min per API key
    status_component: Sandbox (listed on https://chain.com/developers/status)
  live:
    key_prefix: sk_live_
    purpose: Production; moves real money.
    rate_limit: 1000 requests/min per API key
test_values:
  documented: false
  notes: No published test card / test bank-account fixtures found at probe time.