generated: '2026-08-13'
method: searched
source: https://developer.act-on.com/reference/api-overview
api: Act-On REST API
docs: https://developer.act-on.com/reference/api-overview
summary: >-
  Act-On ships a real, free developer sandbox — a full Act-On account, deliberately
  capped — provisioned when you request API credentials. It is not a mock or a
  simulator: the docs describe it as "identical to a production account" apart from
  the caps. There is no test-mode key prefix, no test card / test token catalog, and
  no time-simulation tooling; test-vs-live is a matter of WHICH ACCOUNT the
  username/password names, not which key you send.
available: true
model: separate-account
mode_signal:
  style: account-scoped
  key_prefix: null
  note: >-
    Client ID / Client Secret credentials are issued per INTEGRATION and are "not
    tied to a specific account" (docs, API Overview). The account being acted on is
    selected by the username/password supplied in the OAuth password grant. There is
    therefore no test/live prefix to inspect on a key — an integration can point the
    same credentials at a sandbox account or a production account, which makes the
    username the only thing separating a test send from a real one.
accounts:
- name: Sandbox account
  cost: free
  audience: developers
  provisioning: >-
    Provided when you sign up for API keys via the Request a Developer Account form;
    provisioning generally completes within 24-48 hours.
  limits:
  - 1 user
  - 10 Active Contacts
  evidence: >-
    "Sandbox account (free for developers). This is used for testing your
    integrations before moving them to production. This account is identical to a
    production account, but it is restricted to one user and 10 Active Contacts. We
    provide this account when you sign up for your API keys."
  rate_limits: >-
    Same published limits as production — 5 calls/sec, 30,000 requests/day, 5 auth
    calls/hour. The docs say "All accounts (developer and production) are limited for
    API use."
- name: Production account
  cost: paid
  audience: customers
  provisioning: Paid Act-On subscription; API keys generated in-app under Settings >
    Other Settings > Custom Account Settings > API Access Keys.
request_url: https://developer.act-on.com/reference/request-a-developer-account
provisioning_sla: 24-48 hours (stated on the developer account request page)
test_values:
  cards: []
  bank_accounts: []
  tokens: []
  note: >-
    Not applicable — Act-On is a marketing automation platform, not a payments API.
    No published test-value catalog exists and none was invented.
time_simulation:
  available: false
  note: No test clocks or time-travel fixtures are documented.
fixtures:
  available: false
  note: >-
    No fixture/trigger tooling is documented. The 10 Active Contact ceiling means
    realistic list, segment and campaign volumes cannot be exercised in the sandbox.
beta_program:
  note: >-
    A separate BETA enrollment exists for the newest endpoint group. The Custom Data
    "Overview - READ ME FIRST" page states those endpoints "are currently in BETA and
    are only available on request" via a form.
  url: https://developer.act-on.com/reference/overview
probes:
- url: https://developer.act-on.com/reference/api-overview
  status: 200
- url: https://developer.act-on.com/reference/request-a-developer-account
  status: 200