finance by fourzerotwo

SONIA, sterling overnight index average (%)

SONIA, sterling overnight index average (%) — latest value and recent history (Bank of England IUDSOIA).

SONIA, sterling overnight index average (%)

SONIA, sterling overnight index average (%) — latest value and recent history (Bank of England IUDSOIA).

price: $0.001 / call
free tier: free allowance
MCP tool: bank-of-england__sonia
method: GET

GET https://fourzerotwo.si/v1/bank-of-england/sonia

Param	Type	Description
from?	string	YYYY-MM-DD (default ~120 days ago)

# unpaid: returns 402 with the price
curl -i "https://fourzerotwo.si/v1/bank-of-england/sonia"
# free tier: send a free key from https://fourzerotwo.si/free
curl -H "X-API-Key: fzt_…" "https://fourzerotwo.si/v1/bank-of-england/sonia"

Use it from an AI agent (MCP)

Add the server once, then ask for this data in plain English. The agent finds the endpoint with search_apis and runs it with call_api.

{
  "mcpServers": {
    "fourzerotwo": { "type": "http", "url": "https://fourzerotwo.si/mcp" }
  }
}

# the call the agent makes
call_api {"tool": "bank-of-england__sonia", "arguments": {}}

SONIA, sterling overnight index average (%)

SONIA, sterling overnight index average (%)

Use it from an AI agent (MCP)

More from Bank of England Rates