Outbound Event Delivery Guides
Engineering, product, and operational lessons from running an outbound integration platform.
Multi-Tenant Event Delivery: Isolation Patterns That Work
Multi-tenant delivery sounds simple until a routing bug sends Customer A's data to Customer B. The patterns that make isolation safe by construction.
· 6 min read
Build vs Buy Webhook Infrastructure: An Honest Framework
Build vs buy for outbound delivery has clearer answers than most infrastructure decisions. Here's the framework, and where Pushrail honestly fits.
· 5 min read
Customer Integration Portals: Hand-Built vs Embedded
Every B2B SaaS needs an integrations UI eventually. Here's what the hand-built version looks like vs the embedded-portal alternative.
· 6 min read
Event Routing Patterns: Per-Event-Type, Per-Customer, Per-Tier
Once you have multiple destinations, routing decides which events go where. The patterns that work and the ones that fall apart at scale.
· 5 min read
Beyond Webhooks: Why Your Customers Will Outgrow HTTP-Only Delivery
The first webhook customer asks for a JSON POST. The fifteenth asks for an S3 dump. The fiftieth asks for BigQuery. What happens between is the story.
· 6 min read
Outbound Webhook Architecture: A Reference Design
Producer → queue → worker → adapter → receiver. The components in a production webhook system and what each one is for.
· 7 min read
Webhook Signing Done Right: HMAC, Timestamps, and Replay Attacks
Most webhook signing implementations have at least one of three classic bugs. Here's the production pattern that avoids all of them.
· 6 min read
Webhook Observability: What 'Did This Event Get Delivered?' Actually Requires
Observability is the difference between a webhook platform you can operate and one you can't. Here's the queryable surface it needs.
· 6 min read
Dead-Letter Queues for Webhooks: Design and Recovery Patterns
DLQs in HTTP delivery are different from DLQs in queue infrastructure. Here's what they should hold, how to inspect them, and what to do when they fill up.
· 6 min read
Webhook Idempotency: The Producer Side No One Talks About
Idempotency is usually discussed as a receiver concern. The producer side matters just as much, and it's where most webhook duplicates come from.
· 5 min read
Webhook Replay: What It Really Means and Why You Need It
Replay is the feature your customers want when their endpoint was broken and now isn't. Here's what it actually requires.
· 6 min read
Webhook Retries: A Practical Guide to Backoff, Jitter, and When to Stop
Webhook retries sound simple until you ship them. Here's how to think about backoff, jitter, transient vs permanent failures, and when to stop retrying.
· 7 min read
Why Push-First Event Delivery Beats Polling
Pull-based integrations are fragile, slow, and invisible when they break. Push-first delivery gives your customers real-time data with full observability.
· 6 min read
The Hidden Cost of Building Webhook Infrastructure In-House
At-least-once delivery sounds simple until you need retries, DLQs, replay, and multi-destination routing. Here's what actually goes into it.
· 7 min read
Delivering Events to Data Warehouses: S3, BigQuery, Snowflake, and ClickHouse
Your enterprise customers don't just want webhooks, they want events loaded directly into their data infrastructure. Here's how that works.
· 5 min read