generated: '2026-07-21'
method: searched
source: https://docs.wallex.asia/docs/api-docs/webhooks
environments:
  sandbox:
    exists: true
    evidence: The webhook documentation publishes a distinct Sandbox environment with its own outbound webhook IP (Singapore 175.41.191.143), separate from Production.
    webhook_source_ip:
      - {region: SG, ip: 175.41.191.143}
  production:
    exists: true
    webhook_source_ip:
      - {region: SG, ip: 3.0.113.21}
      - {region: ID, ip: 108.136.189.251}
      - {region: HK, ip: 18.166.110.81}
      - {region: MY, ip: 13.251.169.211}
      - {region: JP, ip: 13.230.240.139}
credentials:
  provisioning: Sandbox X-Api-Key / accessKeyId / secretAccessKey are issued by Wallex on request (contact@wallextech.com). No self-serve key page or published test credentials.
test_triggers:
  - operationId: collection-request-paid
    description: Manually mark a collection request as Full Paid without an actual payment transaction — a built-in way to simulate an inbound collection in testing.
    doc: https://docs.wallex.asia/docs/api/collections-request/collection-request-paid
simulatable_statuses:
  payment: [awaiting_funds, under_review, processing, in_transit, completed, failed, rejected]
  user: [pending_approval, approved, document_needs_resubmission, withdrawn, terminated, closed]
notes: >-
  No published magic test card numbers / test IBANs were found — Wallex is a
  B2B cross-border payments platform whose sandbox is credential-provisioned per
  partner. Only verbatim, published sandbox facts are recorded here.