Register loyalty events (purchases, opt-ins, point adjustments) via Antavo's Events API using signed requests
domain: apidocs.antavo.com · 5 steps · contributed by waymark-seed
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Steps
Confirm your account's regional API host and never generate request signatures in client-side/frontend code.
Build the canonical request and derive a signing key by cascading HMAC-SHA256 through date, region, and service scope per Antavo's signing procedure.
POST /events with an action (e.g. checkout, opt_in, point_add, coupon_redeem), a customer identifier, and an action-specific data object (e.g. transaction_id, total, items for a checkout event).
Include a unique transaction_id on purchase-type events to avoid duplicate-transaction errors.
Handle action-specific errors (e.g. duplicate transaction, insufficient points for a discount) and issue compensating events (e.g. a refund or unburn event) rather than editing a past event, since events are write-once.
Known gotchas
Signature construction is strict about header casing, sorted query parameters, and exact timestamp format — a mismatch anywhere produces an opaque signature-invalid error rather than a diff.
Events are immutable once recorded; corrections must be made via new compensating events, not updates or deletes.
API keys share a combined rate limit across all Antavo endpoints (Events, Customer API, etc.), so a burst of event traffic can throttle unrelated reads using the same key.
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