{"slug": "show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more", "title": "Show HN: EchoRelay - Reliable HTTP delivery with retries, fan-out, and more", "summary": "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.", "body_md": "The universal relay\n\n#\nConnect everything.\n\nShip faster.\n\nWe carry the traffic. You ship.\n\nThe layer between your callers and every service: gateway, webhook broker, and AI-agent tool in one.\n\nNo credit card required.\n\nThe universal relay\n\nWe carry the traffic. You ship.\n\nThe layer between your callers and every service: gateway, webhook broker, and AI-agent tool in one.\n\nNo credit card required.\n\nYou ship models\n\nStream model responses through one endpoint, and let your agent configure it.\n\nYou resell APIs\n\nYour endpoint up front, with keys, limits and validation in the middle.\n\nYou ingest events\n\nOne event in, every consumer out: retried, replayable, nothing lost.\n\n```\ncurl -X POST https://your-project.echorelay.cloud/v1/your-endpoint \\\n  -H \"Authorization: Bearer er_live_YOUR_KEY\" \\\n  -H \"Content-Type: application/json\" \\\n  -d '{\"event\":\"order.placed\",\"orderId\":\"ord_42\"}'\n\n# EchoRelay validates, queues, fans out, retries. You get:\nHTTP/1.1 202 Accepted\n{\n  \"status\": \"queued\",\n  \"requestId\": \"…\"\n}\n```\n\nA single MCP server (Model Context Protocol: how AI agents call tools) exposes your API versions, endpoints, targets, billing.\n\nClaude, ChatGPT, Cursor, OpenCode. Bearer token in, project on rails.\n\nDescribe the integration in plain English. Your agent writes the config.\n\n```\nPOST https://mcp.echorelay.dev\n{\n  \"jsonrpc\": \"2.0\", \"id\": 1,\n  \"method\": \"tools/call\",\n  \"params\": {\n    \"name\": \"create_endpoint\",\n    \"arguments\": {\n      \"lineKey\": \"v1\",\n      \"endpoint\": {\n        \"name\": \"Webhook\",\n        \"url\": \"/notify\",\n        \"httpMethod\": \"POST\",\n        \"targets\": [{\n          \"name\": \"Slack\",\n          \"targetUrl\": \"https://hooks.slack.com/...\"\n        }]\n      }\n    }\n  }\n}\n```\n\nA single MCP server (Model Context Protocol: how AI agents call tools) exposes your API versions, endpoints, targets, billing.\n\nClaude, ChatGPT, Cursor, OpenCode. Bearer token in, project on rails.\n\nDescribe the integration in plain English. Your agent writes the config.\n\nActually free.\n\nBuy a year. Use a year.\n\n+25% on your first pack.\n\nOne number, every month.\n\nFirst month half price.\n\nEnterprise\n\nAll prices exclude VAT — applicable taxes are calculated at checkout. [Compare plans in detail.](/pricing/compare)", "url": "https://wpnews.pro/news/show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more", "canonical_source": "https://echorelay.dev/", "published_at": "2026-06-30 10:21:42+00:00", "updated_at": "2026-06-30 10:50:41.150496+00:00", "lang": "en", "topics": ["ai-agents", "developer-tools", "ai-infrastructure"], "entities": ["EchoRelay", "Claude", "ChatGPT", "Cursor", "OpenCode", "Slack"], "alternates": {"html": "https://wpnews.pro/news/show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more", "markdown": "https://wpnews.pro/news/show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more.md", "text": "https://wpnews.pro/news/show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more.txt", "jsonld": "https://wpnews.pro/news/show-hn-echorelay-reliable-http-delivery-with-retries-fan-out-and-more.jsonld"}}