Changelog
API and platform changelog.
3 min readLast updated Jul 22, 2026
On this page
Overview
Track notable changes to the Reponse API, SDK, and platform. Breaking changes are announced in advance and the API is versioned under `/v1`. Additive changes ship continuously.
Versioning
The current API version is **`v1`**. All endpoints are prefixed with `/api/v1/`. Additive, non-breaking changes (new fields, new endpoints) ship continuously. Breaking changes would ship under a new version (e.g. `/api/v2/`), with at least 90 days of dual support.
v1.4.0 — 2026-05-20
✨ New
- Logistics webhooks — Sendcloud integration with HMAC signature verification. Receive
parcel_status_changedevents to keep fulfillment records current. (Logistics Webhooks) - Trustpilot reviews — Brand review webhook handler with automatic upsert into the
reviewstable. (Reviews) - Post-purchase review requests —
orders-fulfilledShopify webhook createsreview_requestrecords with unique tokens for review collection emails. - Subscription renewal orders —
invoice.paidStripe webhook now clones previous orders for subscription renewal cycles.
🔧 Improved
- Paddle usage reset — Conversation usage counter automatically resets when a new billing cycle starts.
- Refund attribution — Stripe
charge.refundedwebhook skips processing when the refund was initiated by the AIcancel_ordertool (detected viacancel_sourcemetadata). - Shopify Markets sync —
markets/create,markets/update, andmarkets/deletewebhooks now sync full market data including currency, locales, and country codes via Admin GraphQL.
🐛 Fixed
- Shopify inventory webhook — Added SKU-based fallback when
inventory_item_idcannot be resolved to a variant directly. - Contact phone normalisation — Improved E.164 phone normalisation for international formats in Shopify customer webhooks.
v1.3.0 — 2026-04-15
✨ New
- Product Feed — CSV —
GET /api/v1/feed/csvendpoint returns the active catalog as a Google Merchant Center–compatible CSV file. (Feed CSV) - Product Feed — JSON —
GET /api/v1/feedendpoint returns ACP-compliant structured product data with Gzip compression. (Feed JSON) - Theme API —
GET /api/v1/themereturns workspace theme configuration (CSS custom properties) for consistent storefront styling. (Theme) - Email inbound webhook — Customer email replies are parsed and threaded into support tickets. (Email Inbound)
🔧 Improved
- Shopify product webhook — Now syncs
option_definitions,has_only_default_variant, andbarcodefields. - Stripe checkout — Added server-side GA4 purchase tracking via Measurement Protocol.
- Invoice generation — Sequential invoice numbers generated atomically via
next_invoice_numberRPC.
v1.2.0 — 2026-03-10
✨ New
- Stamped reviews webhook — Product review ingestion with HMAC-SHA256 verification. (Reviews)
- Paddle billing webhooks — Subscription lifecycle management for workspaces using Paddle as merchant of record. (Paddle)
- AI transactional emails — Order confirmation emails triggered automatically from Stripe webhook flow.
🔧 Improved
- Shopify customer webhook — Now captures SMS consent, marketing consent timestamps, and links Shopify customer identities.
- Stripe subscription mirroring —
checkout.session.completednow creates local subscription records for subscription-mode sessions.
v1.1.0 — 2026-02-01
✨ New
- Stripe webhooks — Full checkout-to-order pipeline:
checkout.session.completed,charge.refunded, subscription lifecycle. (Stripe) - Shopify fulfillment webhooks —
fulfillments/createandfulfillments/updateevents create and update tracking records. - Cart promotions — Discount codes and cart adjustments are migrated to order adjustments on checkout completion.
🔧 Improved
- Order idempotency — Stripe webhook checks
external_idbefore creating orders to prevent duplicates on retry. - Fulfillment driver resolution — Market-level fulfillment driver overrides workspace defaults.
v1.0.0 — 2026-01-15
🚀 Launch
- Reponse API v1 — Initial public release.
- Shopify webhooks — Product sync (
products/create,products/update,products/delete), order sync, customer sync, inventory updates, app lifecycle. (Shopify) - Authentication — Workspace API keys with Bearer token authentication. (Authentication)
- SDK —
@reponse/sdknpm package with TypeScript support. (SDK Overview) - Core API — Products, collections, cart, checkout, orders, discounts, and inventory endpoints.
Deprecation policy
- Deprecated fields and endpoints are marked with a
deprecatedflag in the API response and documentation. - Deprecated features are supported for at least 6 months after the deprecation notice.
- Breaking changes are communicated via email to workspace owners and in this changelog.