ECOMMPAY · AsyncAPI Specification
Ecommpay Callbacks Webhooks
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PaymentsUnited KingdomPayment GatewayPayment ProcessingAcquiringCard PaymentsAlternative Payment MethodsOpen BankingPayoutsCross-BorderFraudAsyncAPIEvents
AsyncAPI Specification
generated: '2026-06-20'
method: searched
type: Webhooks
source: https://developers.ecommpay.com/en/en_platform_callbacks.html
docs:
callbacks: https://developers.ecommpay.com/en/en_platform_callbacks.html
codes: https://developers.ecommpay.com/en/en_platform_payment_info_codes.html
note: >-
ECOMMPAY delivers payment results asynchronously as signed HTTP callbacks
(webhooks) POSTed to the merchant web service URL. There is no published AsyncAPI
document, so this captures the webhook catalog rather than an AsyncAPI spec. The
merchant MUST verify the callback signature (HMAC-SHA-512) before trusting it (see
authentication/ecommpay-authentication.yml).
delivery:
transport: HTTPS POST to merchant callback URL
format: JSON
signed: true
signature_algorithm: HMAC-SHA-512 (Base64), signature parameter
timing: intermediate callbacks during processing + a final callback with the outcome
envelope:
root: operation
fields:
- operation.id
- operation.type
- operation.status
- operation.date
- operation.created_date
- operation.request_id
- operation.sum_initial (amount, currency)
- operation.sum_converted (amount, currency)
- operation.code
- operation.message
- provider (id, payment_id, date, result_code, result_message, auth_code, endpoint_id)
- signature
statuses:
- success
- processing
- awaiting 3ds result
- awaiting redirect result
- awaiting clarification
- awaiting customer action
- awaiting merchant auth
- decline
- error
operation_types_observed:
- sale
- refund
- payout
operation_types_note: >-
The platform documents additional operation types (e.g. reversals, COF/recurring,
account verification); the authoritative enumeration lives in the operation
processing docs.
codes_reference: errors/ecommpay-decline-codes.yml
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