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About

EchoRelay is a managed runtime for custom API integrations. Describe one integration once: what comes in, the target system, credentials, the retry policy, and how the answer maps back. EchoRelay validates each inbound request, maps it, replies synchronously, passes streams through, fans out to multiple targets, or queues delivery with automatic retry, a dead-letter queue and replay. Every configuration change is versioned. Preview, diff, dry run, schedule, publish and roll back. When a vendor changes their API or rotates a credential, you update the configuration and publish. Deploy nothing. Build and operate each integration through the REST API, an MCP server so an AI agent can do the wiring, or the web panel. Free to start, no card required.

About

Postproxy replaces a dozen platform-specific integrations with a single REST endpoint. Send one request with your content and target profiles, and Postproxy handles format conversion, OAuth, token refresh, rate limits, retries, and per-platform delivery — returning structured outcomes for each network. Beyond publishing, it manages post comments, direct messages, replies to Google Business reviews, and pulls profile and follower stats, covering the full posting lifecycle through one API. It supports Instagram, Facebook, Threads, TikTok, X, YouTube, LinkedIn, Pinterest, Bluesky, Telegram, and Google Business, with Reddit coming soon. Official SDKs cover TypeScript, Python, Ruby, Go, Java, .NET, and PHP, plus webhooks, an MCP server for AI agents, and integrations with n8n, Zapier, Make, and Needle. Built for SaaS, automation pipelines, and agencies. EU-hosted and GDPR-compliant. Free tier, no credit card required.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Software teams that maintain their own API integrations: SaaS products, internal platform teams, and engineering groups carrying custom adapters against vendor APIs with no dedicated integration team.

Audience

SaaS companies, Developers, Marketing Agencies, AI Agents, Automators

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

$5
Free Version Supported
Free Trial Not Supported

Pricing

$17/month
Free plan available, no credit card required. And, the most important, predictable pricing.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

EchoRelay
Founded: 2026
Poland
echorelay.dev

Company Information

Postproxy
Founded: 2026
Germany
postproxy.dev

Alternatives

Alternatives

Mallary.ai

Mallary.ai

Mallary Labs LLC
FastHook

FastHook

FastHook.io
SocialRouter

SocialRouter

Trust AI Agency
EchoCredentialing

EchoCredentialing

HealthStream

Categories

API Management Supported

Categories

Unified APIs Supported

API Management Features

Access Control Supported
Analytics Supported
API Design Not Supported
API Lifecycle Management Not Supported
Dashboard Supported
Developer Portal Supported
Testing Management Supported
Threat Protection Not Supported
Traffic Control Supported
Version Control Supported

Integrations

Bluesky Not Supported
Facebook Not Supported
Google Business Profile Not Supported
Instagram Not Supported
LinkedIn Not Supported
Model Context Protocol (MCP) Supported
Pinterest Not Supported
Telegram Not Supported
Threads Not Supported
TikTok Not Supported
X (Twitter) Not Supported
YouTube Not Supported

Integrations

Bluesky Supported
Facebook Supported
Google Business Profile Supported
Instagram Supported
LinkedIn Supported
Model Context Protocol (MCP) Not Supported
Pinterest Supported
Telegram Supported
Threads Supported
TikTok Supported
X (Twitter) Supported
YouTube Supported
Claim EchoRelay and update features and information
Claim EchoRelay and update features and information
Claim Postproxy and update features and information
Claim Postproxy and update features and information