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Postproxy VS JSON Server

Compare Postproxy VS JSON Server and see what are their differences

Postproxy

Postproxy is a unified API to publish, manage comments, direct messages, and reviews across Instagram, TikTok, LinkedIn, X, YouTube, Facebook, Threads, Bluesky, and more.

Rating
0 reviews
Pricing
Freemium $12 / Monthly (Starter, 10 Profile Groups, 120 Posts/mo)
Alternatives Is it good?
JSON Server

Get a full fake REST API with zero coding in less than 30 seconds. For front-end developers who need a quick back-end for prototyping and mocking

Rating
0 reviews
Alternatives Is it good?
PDFGate
Generate, process, and sign documents with a single API. sponsored

Which is more popular?

Based on our record, JSON Server seems to be more popular. It has been mentioned 45 times since March 2021.

social mentions
0 vs 45
Social Media Tools popularity
100% vs 0%
alternatives listed
38 vs 62

Base details

Website, pricing, platforms and company facts side by side.

Postproxy
JSON Server
Website postproxy.dev github.com
Pricing
Freemium $12 / Monthly (Starter, 10 Profile Groups, 120 Posts/mo) Official pricing
—
Company Startup from Germany · 1 - 9 employees · 2026 —
Listed in
APIs Developer APIs Social Media Tools Social Media Management Social Media Scheduling +2
API Tools Development Developer Tools APIs +1

About Postproxy and JSON Server

In their own words, as submitted to SaaSHub.

Postproxy
JSON Server

Postproxy is a social media API for products that need more than publishing. Publish posts, manage comments, DMs and reviews, track post and profile analytics, and receive webhooks across major platforms. Built for SaaS products, automation workflows, and agents that need reliable social media...

Read more about Postproxy

No description of JSON Server yet.

Features and specs

What each product offers, as listed by its team.

Postproxy 4 features
JSON Server 5 features
  • Ease of Integration
    Postproxy offers a user-friendly API design that makes integration with existing applications straightforward and efficient.
  • Scalability
    The service is built to handle high volumes of requests, making it suitable for businesses expecting to scale operations.
  • Enhanced Security
    Postproxy provides robust security features such as encryption and IP whitelisting, ensuring data transmitted is secure.
  • Comprehensive Documentation
    The platform offers detailed, well-organized documentation that helps developers troubleshoot and implement solutions quickly.
  • Ease of Setup
    JSON Server can be set up quickly with minimal configuration, making it ideal for prototyping and rapid development. It allows developers to have a fully functioning REST API within minutes.
  • RESTful API
    It provides a standard RESTful API out of the box, allowing developers to perform all CRUD operations. This is helpful for simulating a real-world server while testing client-side applications.
  • Customization
    JSON Server supports middlewares, routes, and custom rules, allowing developers to customize the behavior and structure of the API to better suit their needs.
  • Fakes Backend Data
    It's great for simulating backend responses without needing a real backend setup, useful in front-end development to test components and interactions.
  • Lightweight
    As a lightweight server, it requires fewer resources and is quite simple compared to setting up a full-fledged backend server.

Possible disadvantages

  • Not for Production
    JSON Server is designed for development and testing. It is not suitable for production use due to performance limits and lack of robust security features.
  • Limited Functionality
    While JSON Server is great for basic CRUD operations, it lacks advanced features like authentication, authorization, and complex querying.
  • Data Persistence
    Data is stored in a JSON file, and while this is convenient for testing, it is not suitable for applications that require persistent and scalable data storage.
  • In-memory Limitations
    Being an in-memory server, it may have issues with handling large datasets or complex data structures efficiently.
  • Manual Data Reset
    Any changes made to the JSON file while the server is running require manual resets or reloads to reflect in the API, which can be cumbersome during continuous development cycles.

Analysis

An editorial look at what each product does well and who it suits.

Postproxy
JSON Server

Overall verdict

  • I don't have reliable information about Postproxy (postproxy.dev) in my knowledge base, so I can't give you a verified assessment of whether it's good. I'd recommend evaluating it directly against your own requirements before committing.

Why this product is good

  • The service appears to be a proxy-related developer tool based on its name and domain, which could be useful for API request handling, testing, or routing
  • A dedicated '.dev' domain suggests it targets developers, which often means a focus on developer experience and integration
  • Proxy tools in general can help with tasks like request inspection, mocking, rate limiting, and debugging
  • Without verified reviews or documentation, you should check its official docs, pricing, uptime/SLA claims, and community feedback before relying on it

Recommended for

  • Developers who need a quick proxy or request-routing solution and are willing to trial the tool first
  • Teams evaluating lightweight API proxying, mocking, or debugging tools
  • Users who prioritize doing their own due diligence via official documentation and independent reviews before adopting a service

No analysis of JSON Server yet.

Videos

Walkthroughs and reviews on video.

Postproxy 1 video + Add
JSON Server 1 video + Add

Postproxy Walkthrough: Social Media API for Publishing, Comments & DMs

Angular CRUD with Web API Tutorial Part #3 - Setup Local JSON Server and Mock API Endpoints

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Postproxy
JSON Server
100% 100%
Social Media Tools
0% 0%
0% 0%
Development
100% 100%
42% 42%
APIs
58% 58%
0% 0%
API Tools
100% 100%

Questions & Answers

As answered by people managing Postproxy and JSON Server.

What's the story behind your product?

Postproxy's answer

We were building a product for ads creation at scale with fancy templates management, different platforms with adaptive sizing. Then Nano Banana got released and made a product largely obsolete. Postproxy was basically a part of that product.

Why should a person choose your product over its competitors?

Postproxy's answer

Postproxy is a production-grade social media API for SaaS products, AI agents, and multi-tenant platforms. It provides one API for publishing, comments, direct messages, reviews, analytics, webhooks, and OAuth account connections across Instagram, Facebook, Threads, LinkedIn, TikTok, X, YouTube, Pinterest, Google Business Profile, Bluesky, and Telegram.

Compared with publishing-only APIs and automation tools, Postproxy is designed for customer-facing products that require official platform integrations, explicit delivery statuses, automatic retries, profile-group isolation, predictable pricing, and infrastructure built for production workloads.

What makes your product unique?

Postproxy's answer

Postproxy combines production-grade publishing infrastructure, engagement, and analytics in one social media API. Every publishing request has an explicit status and human-readable failure reason, failed deliveries can be retried automatically, and the same platform also handles comments, direct messages, reviews, profile analytics, and webhooks.

Postproxy uses official platform APIs and OAuth flows, supports isolated profile groups for multi-tenant products, and provides integrations for n8n, Make, and Zapier, as well as an MCP server for AI agents.

How would you describe the primary audience of your product?

Postproxy's answer

Postproxy is primarily built for developers and product teams creating SaaS platforms, AI agents, marketing tools, and multi-tenant social media products. It is also used by agencies and automation specialists that manage social accounts for multiple customers.

Individual creators can use Postproxy, but the platform is optimized for software products and production workflows rather than manual social media management.

User comments

Share your experience with using Postproxy and JSON Server. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Postproxy 0 mentions
JSON Server 45 mentions

Tracking Postproxy since Feb 2026.

  • Building a CRUD app with React Query, TypeScript, and Axios
    We'll be using json-server to create the REST API that we'll fetch data from. In the root of the project, create a db.json file with the contents. - Source: dev.to / over 2 years ago
  • Full Stack To Do list, a step-by-step tutorial
    Our backend will be little more than a two-way translation layer between the database and the user interface (UI). Later in this post we will identify other responsibilities of a backend but our implementation will be kept simple to... - Source: dev.to / about 3 years ago
  • Improve Frontend-Backend development harmony with JSON-Server
    JSON-Server creates fake REST API with a minimum amount of configuration, it provides a simple way to create mock RESTful APIs and easily define the required endpoints, allows easy definition of the data schema in a JSON file and can... - Source: dev.to / over 3 years ago

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Alternatives to Postproxy and JSON Server

When comparing Postproxy and JSON Server, you can also consider the following products.

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