Show HN: EchoRelay - Reliable HTTP delivery with retries, fan-out, and more

EchoRelay launches a universal relay service that combines a gateway, webhook broker, and AI-agent tool into one platform, enabling reliable HTTP delivery with retries, fan-out, and MCP server integration for AI agents. The service allows developers to stream model responses, resell APIs, and ingest events through a single endpoint, with a free tier and paid plans available.

The universal relay Connect everything. Ship faster. We carry the traffic. You ship. The layer between your callers and every service: gateway, webhook broker, and AI-agent tool in one. No credit card required. The universal relay We carry the traffic. You ship. The layer between your callers and every service: gateway, webhook broker, and AI-agent tool in one. No credit card required. You ship models Stream model responses through one endpoint, and let your agent configure it. You resell APIs Your endpoint up front, with keys, limits and validation in the middle. You ingest events One event in, every consumer out: retried, replayable, nothing lost. curl -X POST https://your-project.echorelay.cloud/v1/your-endpoint \ -H "Authorization: Bearer er live YOUR KEY" \ -H "Content-Type: application/json" \ -d '{"event":"order.placed","orderId":"ord 42"}' EchoRelay validates, queues, fans out, retries. You get: HTTP/1.1 202 Accepted { "status": "queued", "requestId": "…" } A single MCP server Model Context Protocol: how AI agents call tools exposes your API versions, endpoints, targets, billing. Claude, ChatGPT, Cursor, OpenCode. Bearer token in, project on rails. Describe the integration in plain English. Your agent writes the config. POST https://mcp.echorelay.dev { "jsonrpc": "2.0", "id": 1, "method": "tools/call", "params": { "name": "create endpoint", "arguments": { "lineKey": "v1", "endpoint": { "name": "Webhook", "url": "/notify", "httpMethod": "POST", "targets": { "name": "Slack", "targetUrl": "https://hooks.slack.com/..." } } } } } A single MCP server Model Context Protocol: how AI agents call tools exposes your API versions, endpoints, targets, billing. Claude, ChatGPT, Cursor, OpenCode. Bearer token in, project on rails. Describe the integration in plain English. Your agent writes the config. Actually free. Buy a year. Use a year. +25% on your first pack. One number, every month. First month half price. Enterprise All prices exclude VAT — applicable taxes are calculated at checkout. Compare plans in detail. /pricing/compare