Apex is a B2B product built for React Native and Next.js developers using coding agents.

Is Apex still maintained?

Unverified. Apex has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Apex?

Similar projects tracked by PulseGate include Implant, ghostpatch, and MobileCodeAI.

Apex is developed by Callstack.

Does Apex have an API or integrations?

Yes — Apex exposes a public API.

Back to the index

Apex

Name: Apex
Author: Callstack

callstack.comCoding AI & assistants

No liveness check has reached it yet; it has been in the index since 2 Oct 2026. How this is checked

Apex is a hosted coding model designed for agentic work on React Native and Next.js projects. Developers can use it through an API and connect it to tools such as Claude Code, Cursor, or Codex while retaining their existing workflows.

WebAPICloud-managed

Visit callstack.com

Overview

8 features

Apex is a Coding AI & assistants project. It focuses on reducing the cost and improving the quality of agentic coding tasks for React Native and Next.js projects. It is built as a B2B product for React Native and Next.js developers using coding agents. It runs on the web and API.

It is developed by Callstack. Among its 8 catalogued features are React Native optimization, next.js support, and agentic coding. It exposes integrations via a public API.

Summary written by a language model from the project’s public pages.

React Native optimization
Next.js support
Agentic coding
Code generation API
React Native benchmarks
Endpoint swapping
Claude Code support
Cursor support

Built with & integrations

Hosting

Vercel

AI providers

anthropiclocal_oss

Connectors

API

Runs on

BrowserAPI-onlyCloud-managed

Detected from

Vercel: x-vercel-id header · x-vercel-cache header
anthropic: bclaude in the HTML
local_oss: bollama in the HTML

Trust & compliance

Verified signals

HTTPSPrivacy Policy Terms of Service

Legal

Indexing history

What PulseGate has recorded for this listing

Indexed2 Oct · 01:50 UTC
Apex: Agentic coding for mobile and web, fluent in React verified via Hacker News firehose (Algolia)
Source: Hacker News firehose (Algolia) · Open

Frequently asked questions about Apex

What is Apex?: Apex focuses on reducing the cost and improving the quality of agentic coding tasks for React Native and Next.js projects. It is catalogued under Coding AI & assistants on PulseGate.
Who should use Apex?: Apex is a B2B product built for React Native and Next.js developers using coding agents.
What platforms does Apex run on?: Apex runs on the web and API.
Is Apex still maintained?: Unverified. Apex has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Apex?: Similar projects tracked by PulseGate include Implant, ghostpatch, and MobileCodeAI.Implant ghostpatch MobileCodeAI
Who makes Apex?: Apex is developed by Callstack.
Does Apex have an API or integrations?: Yes — Apex exposes a public API.

At a glance

Pricing: Paid · pricing page detected
Platforms: Web
Languages: English
First seen: 2 Oct 2026
Built for: React Native and Next.js developers using coding agents
Model: B2B
Solves: Reducing the cost and improving the quality of agentic coding tasks for React Native and Next.js projects.

Developer

Callstack

Index record

Indexed: 2 Oct 2026
Lifecycle: Unverified
First seen: Oct 2026
Last seen: 2 Oct 2026

Identity audit (13)

Slug: apex-agentic-coding-for-mobile-and-web-fluent-in-react-callstack-com
Lifecycle state recorded: 2 Oct 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 2 Oct 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Written by a language model from public pages.
Languages from: Detected by a language model, checked against the page's own declaration.
Last updated: 2 Oct 2026
Canonical URL: https://apex.callstack.com/

README badge

Shows this record's lifecycle in a README, and links back here.

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