The handler you assumed existed
The handler you assumed existed We were wiring up a lead pipeline: webhooks in, an agent working the conversation, bookings out. During planning, so…
DevOps
⚑ Сообщить о проблемеПоследние новости DevOps от Tech News
Все темы
agents
ai
api
architecture
automation
aws
backend
beginners
cloud
database
devchallenge
devops
docker
javascript
kubernetes
llm
machinelearning
mcp
node
opensource
performance
productivity
programming
python
security
showdev
testing
tutorial
typescript
webdev
Payment Integration Mistakes and How to Fix Them
I've integrated four payment processors in production: eSewa, IMEPay, Dodo Payments and Paddle. eSewa and IMEPay are redirect-based local gateways.…
E-Commerce Webhook Registration: Node.js Queue Isolation for Internal Consumers
An e-commerce access review becomes hard to sign when fraud, fulfillment, finance, and customer messaging all hold the marketplace webhook credentia…
The sync that deleted our leads every 60 seconds
The sync that deleted our leads every 60 seconds Leads were vanishing. Not bouncing, not erroring — just gone. New leads would appear in our registr…
Stripe webhook signature verification failed: the 5 causes and fixes
If you've integrated Stripe webhooks, you've probably seen this error: StripeSignatureVerificationError: No signatures found matching the expected s…
We migrated the receiver but forgot the return trip
We migrated the receiver but forgot the return trip Same incident, different lesson. (If you're counting, this is the day our infrastructure decided…
Sending And Receiving Webhooks In Laravel
A customer deploys their app at 14:00. Their webhook endpoint is down for four minutes while it happens. Your app sends them invoice.paid at 14:01,…
Tunnels are for dev: why our production webhooks left localhost.run
Tunnels are for dev: why our production webhooks left localhost.run This is the third post in a trilogy I didn't plan. Post #1 was the diagnosis: my…
Your integration's real bugs are in the events you can't trigger
Every integration I have written against a third-party API has the same shape. The request/response part is easy and I get it right on day one. The…
Rate-Limited Reminder Recovery: Idempotent Queues After Webhook and Email Send Failures
Short answer: put each user reminder on a queue, make the consumer idempotent, retry transient delivery failures with backoff, and move exhausted wo…
Shopify Webhooks: Pick the Route, Then Create It
If you wire Shopify events into your own endpoint, a queue or a no-code tool, the interesting decisions are not in the admin form. They are in which…
Express Webhook Signature Check: 4 Fixes After a Failing Deploy
A B2B SaaS workload hits its spend ceiling. The budget service sends an alert, yet the receiving Express app rejects it after a deploy and the on-ca…
Poncho Pay Integration Tutorial: Node.js API, Webhooks and Flutter
Never integrated a payment provider before? No problem. This guide takes you from zero to a working Poncho Pay payment in a Node.js API and a Flutte…
Queues, Webhooks and Rate Limits: Retries, Backlogs and Backoff You Can Watch Happen
"At-least-once delivery" is four words that hide a dozen production incidents. So are "consumer lag", "dead letter queue", and "exponential backoff"…
How Do Verified Sending Domains, Webhooks, and Logs Work in an Email API?
These three pieces are what let you run email through an API instead of your own mail server: domain verification proves you're allowed to send as y…
How to Handle Webhook Errors in Make.com
Webhooks are one of the easiest ways to connect different tools with Make.com. They are also one of the easiest places for an automation workflow to…
Node.js Consumer Capacity: Webhook Delivery, Rate Limits, and Dead-Letter Decisions
Short answer: treat a renewal reminder's business deadline as the primary SLO, then make the Node.js consumer's rate limit, acknowledgement boundary…
Why a Successful WhatsApp API Request Does Not Mean the Message Was Delivered
If you've built any kind of WhatsApp automation, you've probably had this moment: your code calls the WhatsApp Business API, gets back an HTTP 200 a…
Failed Webhook Backoff and DLQ Redrive for 3 Marketplace Deadline Guarantees
Short answer: A marketplace renewal reminder should enter the dead-letter queue when another attempt cannot finish before its business deadline; use…
The trailing newline that broke every webhook signature.
I spent an evening convinced GitHub was sending broken webhook signatures. It wasn't. echo was. The setup Chngd's GitHub Marketplace webhook verifie…
Simple SMS API Comparison: 3 Bounce-Suppression Controls for App Alert Status
Short answer: for B2B SaaS app alerts, choose an SMS API by whether webhook delivery events and polling results can feed one idempotent status ledge…
Email to Slack: threading, Block Kit limits, and the duplicate-post trap
Start from the mismatch, because every bug in this integration comes out of it. Email hands you a MIME tree, an SMTP envelope, and a Message-ID chai…
Marketplace Cleanup: Queue Push Webhook Endpoint with Public HTTPS Signature Checks
Short answer: a public HTTPS queue push webhook subscriber in Node.js should verify the signature on the raw request, persist a unique cleanup comma…
I Built a Signed Webhook Receiver for Cross-Server Communication
Sometimes your application can reach an external service from one server, but not from another. I ran into this problem while working on one of my p…
TikTok Shop Customer Service Webhooks: A Production-Ready Implementation Guide
Receiving a webhook is easy. Building a webhook pipeline that survives duplicate deliveries, delayed events, missing messages, invalid signatures, a…
Reliable Webhook Processing in NestJS: Signatures, Idempotency, Retries & Queues
Build reliable NestJS webhooks for SaaS payments and integrations using signature verification, idempotency, durable inboxes, queues, retries, and o…
Fixing Shopify Google Ads Conversion Tracking: Server-Side Setup Without GTM
If your Google Ads dashboard consistently reports significantly fewer purchases than your Shopify order log, your client-side conversion tracking is…
Failed Webhook Retry Queues, Exponential Backoff, DLQs, and Redrive
Short answer: Use a queue plus dead-letter queue for failed webhooks, apply application-level exponential backoff through delayed republishes, and a…
One LINE Official Account, Multiple Tools: Webhook and Token Architecture
A completed WhatsApp Embedded Signup dialog does not mean that a customer is ready to send and receive messages. The browser flow may have finished…
One LINE Official Account, Multiple Tools: Webhook and Token Architecture
A single LINE Official Account can use multiple Messaging API tools. For example, one account might connect: A customer-support platform A campaign…