Crypto Calendar

Crypto events landing inside the next seven days, filterable to a single coin when only its own catalysts matter.

Events & catalystscatalysts_calendarGET /catalysts/calendarx402 · $0.01 / callRead-only

What it does

Lists upcoming crypto catalyst events for the next 7 days. Optionally filter by comma-separated coin symbols (e.g. 'sol,eth').

Parameters

Name	Type	Description
`coins`query	string	Comma-separated coin symbols, e.g. 'sol,eth'. Omit for all coins.

Call it

One API key works for MCP, REST and WebSocket; each call uses one unit. Agents without an account can pay per call with x402.

curl "https://mcp.f1ow.com/v1/catalysts/calendar?coins=eth,sol" \
  -H "Authorization: Bearer $F1OW_API_KEY"

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "catalysts_calendar",
    "arguments": {
      "coins": "eth,sol"
    }
  }
}

const res = await fetch("https://mcp.f1ow.com/v1/catalysts/calendar?coins=eth,sol", {
  headers: { Authorization: `Bearer ${process.env.F1OW_API_KEY}` },
});
const data = await res.json(); // the tool's result as JSON, typed in the OpenAPI spec
console.log(data);

import os, requests

res = requests.get(
    "https://mcp.f1ow.com/v1/catalysts/calendar?coins=eth,sol",
    headers={"Authorization": f"Bearer {os.environ['F1OW_API_KEY']}"},
)
data = res.json()  # the tool's result as JSON, typed in the OpenAPI spec
print(data)

// wss://mcp.f1ow.com/v1/ws — subprotocol "jsonrpc-2.0", Authorization: Bearer <key>
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "catalysts_calendar",
    "arguments": {
      "coins": "eth,sol"
    }
  }
}

// Or push a fresh result whenever it changes (minimum interval 15 s)
{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "subscriptions/subscribe",
  "params": {
    "name": "catalysts_calendar",
    "arguments": {
      "coins": "eth,sol"
    },
    "intervalSeconds": 60
  }
}

# No account: the first call answers 402 with a PAYMENT-REQUIRED challenge;
# an x402 client pays it in USDC on Base and retries.
curl "https://mcp.f1ow.com/x402/v1/catalysts/calendar?coins=eth,sol"

A real response captured 2026-11-13. JSON is what REST and WebSocket return, and the structuredContent of an MCP call (trimmed for length), with generatedAt for freshness. Text is the report an MCP client hands to a model.

2026-11-14 | SOL
  Scale or Die London
2026-11-15 | AKT, BP, CARDS, 2Z, JTO, JUP, KMNO, META, NEAR, ORCA, PLUME, PYTH, SECZ, SOL
  Breakpoint 2026

{
  "events": [
    {
      "categories": [],
      "coins": [
        "SOL"
      ],
      "date": "2026-11-14T00:00:00Z",
      "title": "Scale or Die London"
    },
    {
      "categories": [],
      "coins": [
        "AKT",
        "BP",
        "CARDS",
        "2Z",
        "JTO",
        "JUP",
        "… 8 more"
      ],
      "date": "2026-11-15T00:00:00Z",
      "title": "Breakpoint 2026"
    }
  ],
  "generatedAt": "2026-09-21T23:00:30.0000000+00:00"
}