serper_web_search $0.00125 per call
Search the open web with Google. Search Google and return organic results plus answer boxes, knowledge panels, related questions, and related searches when present. (Serper · Open web & SEO data)
For AI agents: call serper_web_search
POST https://toll402.dev/v1/p/serper.web.search
{
"q": "OpenAI API documentation",
"gl": "us",
"hl": "en"
}Answers 402 with x402 payment requirements; pay with any x402 client (@x402/fetch, x402 for Python, toll402-client, toll402-mcp) or send a prepaid-credits key as x-toll402-key (https://toll402.dev/credits). Paid per call via x402 (USDC on Base) or with a prepaid-credits key (x-toll402-key, card at /credits); charged only on success. Start at /llms.txt or connect the MCP server:
npx -y toll402-mcp · remote https://toll402.dev/mcp.Input schema
{
"type": "object",
"properties": {
"q": {
"type": "string",
"examples": [
"OpenAI API documentation"
]
},
"location": {
"type": "string",
"description": "Canonical Google location name; discover supported values with Serper's public /locations route.",
"examples": [
"New York, New York, United States"
]
},
"gl": {
"type": "string",
"description": "Two-letter country code.",
"default": "us",
"examples": [
"us"
]
},
"hl": {
"type": "string",
"description": "Google interface language code.",
"default": "en",
"examples": [
"en"
]
},
"tbs": {
"type": "string",
"description": "Google advanced-search/date filter, for example qdr:w for the past week."
},
"page": {
"type": "integer",
"default": 1
},
"autocorrect": {
"type": "boolean",
"default": true
}
},
"additionalProperties": true,
"required": [
"q"
],
"description": "Answers arrive primarily in organic. A successful HTTP 200 costs one credit even when organic is empty; HTTP failures are unbilled. Catalog calls accept one query, while Serper's array mini-batch remains available through a team's raw BYOK tool."
}
MCP
{"mcpServers":{"toll402":{"command":"npx","args":["-y","toll402-mcp"],"env":{"TOLL402_WALLET_KEY":"0x..."}}}}