Defer

Defer was a Paris-based, Y Combinator-backed (W23) zero-infrastructure background jobs platform for Node.js and TypeScript developers, founded in 2022 by Bryan Frimin and Charly Poly. The product converted regular JavaScript/TypeScript async functions into managed background jobs with configurable retries, throttling, concurrency controls, scheduled crons, multi-environment support, alerting, and a hosted dashboard — removing the need for developers to operate their own queues, workers, and Redis-style infrastructure. Defer shipped client SDKs and framework integrations (Next.js, RedwoodJS) and a CLI/build pipeline that uploaded function bundles to the Defer cloud for execution. The company appears to have wound down its hosted service in 2024 — the defer.run domain now 301-redirects to digger.tools, no end-of-service post-mortem is publicly linked from the homepage, and the GitHub organization (github.com/defer-run) last saw meaningful activity in July 2024 with the final defer.client release v2.3.0 cut on 2024-03-06. The open source client libraries remain available but are effectively unmaintained and the hosted backend they depended on is no longer operational. This catalog entry preserves the historical footprint of Defer as part of the 2022-2024 wave of "zero-infrastructure" background-job and durable- execution startups (Inngest, Trigger.dev, Hatchet, Temporal Cloud, Restate) so the design pattern and the players who pursued it remain discoverable in the API Evangelist network.

Defer is profiled on the APIs.io network. Tagged areas include Background Jobs, Asynchronous Processing, Job Queues, Serverless, and Node.js.

Defer’s developer surface includes documentation, GitHub presence, and 13 more developer resources.

🌐 Visit website 📡 Source on GitHub

9.2/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-07-27 · rubric v0.5

0 APIs

Background JobsAsynchronous ProcessingJob QueuesServerlessNode.jsTypeScriptWorkflow OrchestrationCronDurable ExecutionDeveloper ToolsDefunctY Combinator

Kin Score

Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5

Composite quality — 9.2/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 1.7 / 20

Commercial Clarity 0.0 / 20

Operational Transparency 0.7 / 13

Governance 0.0 / 12

Discoverability 6.8 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 15

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 0 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/defer-run: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

Get Started 1

Portal, sign-up, and the first successful call

DemoApp

DemoApp

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 4

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

ClientSDK

ClientSDK

NextJSIntegration

NextJSIntegration

RedwoodJSIntegration

RedwoodJSIntegration

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 4

The organization behind the API

Website

Website

Crunchbase

Crunchbase

Twitter

Twitter

IntroductionBlogPost

IntroductionBlogPost

Other 4

Properties that don't map to a standard resource type

YCombinator

YCombinator

YCombinatorLaunch

YCombinatorLaunch

LaunchHN

LaunchHN

EndOfServiceAnnouncement

EndOfServiceAnnouncement

Source (apis.yml)

aid: defer-run
name: Defer
description: Defer was a Paris-based, Y Combinator-backed (W23) zero-infrastructure background jobs platform for Node.js and
  TypeScript developers, founded in 2022 by Bryan Frimin and Charly Poly. The product converted regular JavaScript/TypeScript
  async functions into managed background jobs with configurable retries, throttling, concurrency controls, scheduled crons,
  multi-environment support, alerting, and a hosted dashboard — removing the need for developers to operate their own queues,
  workers, and Redis-style infrastructure. Defer shipped client SDKs and framework integrations (Next.js, RedwoodJS) and a
  CLI/build pipeline that uploaded function bundles to the Defer cloud for execution. The company appears to have wound down
  its hosted service in 2024 — the defer.run domain now 301-redirects to digger.tools, no end-of-service post-mortem is publicly
  linked from the homepage, and the GitHub organization (github.com/defer-run) last saw meaningful activity in July 2024 with
  the final defer.client release v2.3.0 cut on 2024-03-06. The open source client libraries remain available but are effectively
  unmaintained and the hosted backend they depended on is no longer operational. This catalog entry preserves the historical
  footprint of Defer as part of the 2022-2024 wave of "zero-infrastructure" background-job and durable- execution startups
  (Inngest, Trigger.dev, Hatchet, Temporal Cloud, Restate) so the design pattern and the players who pursued it remain discoverable
  in the API Evangelist network.
type: Index
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/defer-run.png
tags:
- Background Jobs
- Asynchronous Processing
- Job Queues
- Serverless
- Node.js
- TypeScript
- Workflow Orchestration
- Cron
- Durable Execution
- Developer Tools
- Defunct
- Y Combinator
url: https://raw.githubusercontent.com/api-evangelist/defer-run/refs/heads/main/apis.yml
created: '2026-05-25'
modified: '2026-05-25'
specificationVersion: '0.20'
apis: []
common:
- type: DomainSecurity
  url: security/defer-run-domain-security.yml
- type: Website
  url: https://www.defer.run
- type: Documentation
  url: https://docs.defer.run
- type: GitHub
  url: https://github.com/defer-run
- type: ClientSDK
  url: https://github.com/defer-run/defer.client
- type: NextJSIntegration
  url: https://github.com/defer-run/nextjs
- type: RedwoodJSIntegration
  url: https://github.com/defer-run/defer-redwoodjs
- type: DemoApp
  url: https://github.com/defer-run/defer.demo
- type: YCombinator
  url: https://www.ycombinator.com/companies/defer
- type: YCombinatorLaunch
  url: https://www.ycombinator.com/launches/I2Y-defer-a-zero-infrastructure-platform-for-node-js-background-jobs
- type: LaunchHN
  url: https://news.ycombinator.com/item?id=35096366
- type: EndOfServiceAnnouncement
  url: https://news.ycombinator.com/item?id=39817493
- type: Crunchbase
  url: https://www.crunchbase.com/organization/defer
- type: Twitter
  url: https://x.com/defer_run
- type: IntroductionBlogPost
  url: https://dev.to/defer/introducing-defer-a-zero-infrastructure-background-jobs-nodejs-platform-43jb
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com