Search transactions

Paginated transaction search for the authenticated site. Requires merchant bearer token (`Authorization: Bearer …`). Supports read-only auth. **Request body (JSON):** - `filters` (object, **required**) — search criteria (txn, email, status, method, type, action, amount, names, phone, udfs, etc.). Optional boolean flags: `auto_generated`, `summary`. - `range` (object, optional) — `start`/`end` (`YYYY-MM-DDTHH:MM:SS`), `skip`, `limit` (1–1000, default 10). - `project` (string array, optional) — extra fields to return per row. `sender_email` requires site payment config allowlist. **Authentication errors:** Authentication can return codes `1000`-`1008` for client IP, token, site, whitelist, signature, session, or token scope validation. See [Authentication](/docs/authentication) and [Error codes](/docs/error-codes).

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