API Reference
  1. B2 Systems API
  2. Webhooks

Credit usage recorded

wbhk
usage.credits_consumed

Sent when InFlow parsing records PDF processing credit usage.

Return any 2xx response to acknowledge receipt. B2 Systems signs the raw JSON body with the endpoint signing secret using HMAC SHA-256 over the timestamp, a dot, and the raw body. Delivery failures are recorded in the dashboard; use the GET endpoints as the source of truth if your endpoint is unavailable.

Payload
string
required

Unique webhook event id.

string
enum
required

Webhook event type.

Allowed:
date-time
required

ISO-8601 timestamp when B2 Systems created the event.

data
object
required

Data value.

Headers
string
required

Unique webhook event id. This matches the id in the JSON body.

string
required

Unix timestamp in seconds. Include this value when verifying the signature.

string
required

HMAC SHA-256 signature in the format v1=.

Responses
200

Any 2xx response acknowledges receipt.

default

A non-2xx response, timeout, or connection failure is recorded as a failed delivery.

Updated about 1 month ago

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Updated about 1 month ago

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