https://wpwebhooks.org/blog/ Engineering notes on WordPress webhooks: architecture, reliability, delivery, retries, and integrations. New post every week. en-us Fri, 17 Jul 2026 00:00:00 GMT https://wpwebhooks.org/blog/gemini-json-mode-truncated-response/ https://wpwebhooks.org/blog/gemini-json-mode-truncated-response/ Fri, 17 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration A real bug post-mortem: Gemini’s JSON mode returned our agent’s envelope without its closing brace — twice, deterministically — and the conservative repair that recovers it without ever inventing content. https://wpwebhooks.org/blog/ai-agent-capability-drift/ https://wpwebhooks.org/blog/ai-agent-capability-drift/ Tue, 14 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration A real bug post-mortem: a class_exists check made our agent’s prompt advertise tools the executor silently dropped — and the three fixes that shipped in 2.2.0. https://wpwebhooks.org/blog/as-schedule-single-action-reference/ https://wpwebhooks.org/blog/as-schedule-single-action-reference/ Fri, 10 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_schedule_single_action documentation: full PHP signature, the timestamp and $unique parameters, return value, and code examples for delayed jobs. https://wpwebhooks.org/blog/wordpress-zapier-webhook/ https://wpwebhooks.org/blog/wordpress-zapier-webhook/ Tue, 07 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations Connect WordPress to Zapier: send any post, form, or WooCommerce event to a Zap via webhook — Catch Hook setup, payload format, and a self-hosted alternative. https://wpwebhooks.org/blog/as-schedule-recurring-action-reference/ https://wpwebhooks.org/blog/as-schedule-recurring-action-reference/ Sat, 04 Jul 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_schedule_recurring_action documentation: PHP signature, first-run timestamp, interval seconds, group and $unique parameters, with recurring code examples. https://wpwebhooks.org/blog/wordpress-abilities-api-ai-agents/ https://wpwebhooks.org/blog/wordpress-abilities-api-ai-agents/ Thu, 02 Jul 2026 00:00:00 GMT Mateusz Skorupa AI integration What the WordPress Abilities API is, how wp_register_ability() works, and how to expose plugin features to AI agents and MCP clients safely. https://wpwebhooks.org/blog/wordpress-ai-client-wp-ai-client-prompt/ https://wpwebhooks.org/blog/wordpress-ai-client-wp-ai-client-prompt/ Mon, 29 Jun 2026 00:00:00 GMT Mateusz Skorupa AI integration How the WordPress 7.0 AI Client works: provider Connectors, wp_ai_client_prompt(), model fallback chains, and when you still need your own API key. https://wpwebhooks.org/blog/wordpress-ai-agent-plugin-architecture/ https://wpwebhooks.org/blog/wordpress-ai-agent-plugin-architecture/ Fri, 26 Jun 2026 00:00:00 GMT Mateusz Skorupa AI integration Inside an in-admin AI agent for WordPress: plan-first JSON envelopes, typed ability steps, confirmation gates, undo stacks, and trace logging. https://wpwebhooks.org/blog/woocommerce-action-scheduler-mysql-deadlocks/ https://wpwebhooks.org/blog/woocommerce-action-scheduler-mysql-deadlocks/ Thu, 25 Jun 2026 00:00:00 GMT Mateusz Skorupa Architecture ActionScheduler_DBStore::claim_actions throws MySQL deadlocks under concurrent WooCommerce queue runners — why it happens and the exact fix. https://wpwebhooks.org/blog/action-scheduler-prevent-duplicate-actions/ https://wpwebhooks.org/blog/action-scheduler-prevent-duplicate-actions/ Mon, 22 Jun 2026 00:00:00 GMT Mateusz Skorupa WordPress internals Stop Action Scheduler queuing duplicate jobs with the $unique parameter and as_has_scheduled_action() — exact signatures, behaviour, and gotchas. https://wpwebhooks.org/blog/webhook-retry-policy-exponential-backoff/ https://wpwebhooks.org/blog/webhook-retry-policy-exponential-backoff/ Fri, 19 Jun 2026 00:00:00 GMT Mateusz Skorupa Architecture Design a webhook retry policy: exponential backoff timing, what to retry, max attempts, dead-lettering, and the database schema to track deliveries. https://wpwebhooks.org/blog/gravity-forms-hooks-reference/ https://wpwebhooks.org/blog/gravity-forms-hooks-reference/ Thu, 18 Jun 2026 00:00:00 GMT Mateusz Skorupa Gravity Forms A developer reference to the most useful Gravity Forms hooks: submission, validation, field, entry, and notification filters — with examples. https://wpwebhooks.org/blog/wp-webhooks-alternative/ https://wpwebhooks.org/blog/wp-webhooks-alternative/ Tue, 16 Jun 2026 00:00:00 GMT Mateusz Skorupa Comparisons Looking for a WP Webhooks Pro alternative? A fair comparison of Webhook Actions vs WP Webhooks — delivery reliability, features, free tiers, and pricing. https://wpwebhooks.org/blog/wordpress-hubspot-integration-methods/ https://wpwebhooks.org/blog/wordpress-hubspot-integration-methods/ Fri, 12 Jun 2026 00:00:00 GMT Mateusz Skorupa Comparisons Three ways to connect WordPress to HubSpot compared: the official HubSpot plugin, Zapier middleware, and direct webhooks — cost, control, and reliability. https://wpwebhooks.org/blog/wordpress-external-cron-services/ https://wpwebhooks.org/blog/wordpress-external-cron-services/ Fri, 05 Jun 2026 00:00:00 GMT Mateusz Skorupa WordPress internals Fix unreliable WP-Cron with a free external cron service. Covers cron-job.org, EasyCron, UptimeRobot setup, DISABLE_WP_CRON config, and the zero-config Webhook Actions option. https://wpwebhooks.org/blog/gravity-forms-gform-after-update-entry-webhook/ https://wpwebhooks.org/blog/gravity-forms-gform-after-update-entry-webhook/ Tue, 02 Jun 2026 00:00:00 GMT Mateusz Skorupa Gravity Forms How the gform_after_update_entry hook fires on Gravity Forms entry edits — its parameters, original vs updated values, and sending a webhook on update. https://wpwebhooks.org/blog/wordpress-wpcf7-mail-sent-hook/ https://wpwebhooks.org/blog/wordpress-wpcf7-mail-sent-hook/ Sat, 30 May 2026 00:00:00 GMT Mateusz Skorupa WordPress integrations How wpcf7_mail_sent fires, what get_posted_data() returns, and the reliable way to send Contact Form 7 submissions to any webhook endpoint. https://wpwebhooks.org/blog/action-scheduler-api-functions/ https://wpwebhooks.org/blog/action-scheduler-api-functions/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa WordPress internals as_enqueue_async_action documentation: PHP signature, the $unique parameter, plus as_schedule_single_action and cancel functions with code examples. https://wpwebhooks.org/blog/woocommerce-webhooks-action-scheduler/ https://wpwebhooks.org/blog/woocommerce-webhooks-action-scheduler/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Send WooCommerce order events as reliable webhooks with Action Scheduler — async queue, retries with backoff, conditional dispatch, and one-click replay. https://wpwebhooks.org/blog/wordpress-async-background-processing/ https://wpwebhooks.org/blog/wordpress-async-background-processing/ Sun, 24 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Process WordPress background jobs asynchronously — non-blocking dispatch, an Action Scheduler queue, retries with backoff, and reliable webhook delivery. https://wpwebhooks.org/blog/action-scheduler-concurrent-batches-filter/ https://wpwebhooks.org/blog/action-scheduler-concurrent-batches-filter/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture action_scheduler_queue_runner_concurrent_batches filter docs: official parameters, batch-size tuning, and code examples for Action Scheduler. https://wpwebhooks.org/blog/gravity-forms-to-n8n-webhook/ https://wpwebhooks.org/blog/gravity-forms-to-n8n-webhook/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Forward Gravity Forms entries to n8n with a reliable, retry-capable webhook — payload mapping, HMAC signing, error handling, and end-to-end test recipe. https://wpwebhooks.org/blog/wp-cron-developer-reference/ https://wpwebhooks.org/blog/wp-cron-developer-reference/ Sun, 17 May 2026 00:00:00 GMT Mateusz Skorupa Architecture The WP-Cron documentation WordPress never wrote: wp_schedule_event, wp_doing_cron, spawn_cron, DISABLE_WP_CRON, and every WP-CLI cron command. https://wpwebhooks.org/blog/action-scheduler-wordpress/ https://wpwebhooks.org/blog/action-scheduler-wordpress/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Action Scheduler WordPress documentation: queue runner, retry logic, concurrency tuning, and webhook delivery — official function reference. https://wpwebhooks.org/blog/contact-form-7-webhook/ https://wpwebhooks.org/blog/contact-form-7-webhook/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Send Contact Form 7 submissions to n8n, Zapier, or any webhook URL. wpcf7_before_send_mail hook, field mapping, retry on failure — with Webhook Actions. https://wpwebhooks.org/blog/gravity-forms-gform-after-submission-webhook/ https://wpwebhooks.org/blog/gravity-forms-gform-after-submission-webhook/ Thu, 07 May 2026 00:00:00 GMT Mateusz Skorupa Architecture Complete gform_after_submission reference — hook parameters, accessing entry fields, async dispatch patterns, and Webhook Actions plugin setup. https://wpwebhooks.org/blog/wordpress-webhook-delivery-engineering/ https://wpwebhooks.org/blog/wordpress-webhook-delivery-engineering/ Wed, 22 Apr 2026 00:00:00 GMT Mateusz Skorupa Architecture How WordPress webhook plugins discover hooks, register listeners, and build delivery payloads. Engineering internals with real code. https://wpwebhooks.org/blog/cron-job-for-wordpress/ https://wpwebhooks.org/blog/cron-job-for-wordpress/ Mon, 30 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture WordPress cron job not running? WP-Cron only fires on page load. Replace it with a real system cron in two lines — full setup with WP-CLI and Action Scheduler. https://wpwebhooks.org/blog/create-manage-wordpress-webhooks-rest-api/ https://wpwebhooks.org/blog/create-manage-wordpress-webhooks-rest-api/ Thu, 26 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Learn how to create and manage WordPress webhooks via REST API. Control endpoints, enable/disable integrations, and automate setups without code deployments. https://wpwebhooks.org/blog/wordpress-webhooks-rest-api/ https://wpwebhooks.org/blog/wordpress-webhooks-rest-api/ Thu, 19 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Retry failed webhooks, replay any event, and monitor queue health from a REST API — no wp-admin. Full endpoint reference for the WP Webhooks plugin. https://wpwebhooks.org/blog/wordpress-webhook-retry-replay-system/ https://wpwebhooks.org/blog/wordpress-webhook-retry-replay-system/ Mon, 09 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture Learn how to build reliable WordPress webhooks using payload storage, automatic retries for failures, and replay for successful events that need reprocessing. https://wpwebhooks.org/blog/async-webhooks-wordpress-wp-cron-not-enough/ https://wpwebhooks.org/blog/async-webhooks-wordpress-wp-cron-not-enough/ Tue, 03 Mar 2026 00:00:00 GMT Mateusz Skorupa Architecture WP-Cron fires on page loads, not on a schedule. Webhooks drop silently under load. Build an async dispatch queue with retry logic — full architecture and code. https://wpwebhooks.org/blog/why-wordpress-webhooks-silently-fail-in-production/ https://wpwebhooks.org/blog/why-wordpress-webhooks-silently-fail-in-production/ Sat, 28 Feb 2026 00:00:00 GMT Mateusz Skorupa Architecture WordPress webhooks work locally but drop events in production. Four root causes — WP-Cron, queues, retry logic, observability — and the production fix. https://wpwebhooks.org/blog/async-webhooks-wordpress/ https://wpwebhooks.org/blog/async-webhooks-wordpress/ Thu, 19 Feb 2026 00:00:00 GMT Mateusz Skorupa Architecture How to implement async webhooks in WordPress and WooCommerce. Queue-based dispatch, exponential backoff, failure handling, logging, and production alternatives.