Brave Search via Locus x402 (AI Answers)

x402

Brave Search via Locus x402 (AI Answers) is a paid API for AI agents from brave.x402.paywithlocus.com, paid per call via x402, $0.085/call, status unknown (last checked 2026-09-13).

Submits a chat-style query to Brave's independent web index and returns an AI-synthesized answer with grounded web, news, and LLM context, billed per call via x402/USDC.

Price / call$0.085

Seller volume →—

Success—

StatusUnknown

How this service works

Independent web search — web, news, images, videos, AI answers, and LLM context. Privacy-first search from a large independent index.

Output

A JSON object containing a 'data' field with the AI-generated answer and supporting search context (web snippets, news, LLM context), a 'payment' object confirming settled USDC amount, a 'request' object with a unique ID and status URL for async tracking, and a 'success' boolean. The answer reflects Brave's large independent web index and is not proxied through Google or Bing.

Example use cases

Real-time news briefing for a topic

“Search Brave's web index for the latest news on the US Federal Reserve interest rate decisions this week and give me a concise AI-generated summary of what's happening.”

Fact-check against live web data

“I need you to look up on Brave Search whether the claim 'SpaceX Starship completed its first orbital flight in 2024' is accurate — use brave-pro and summarize what the web currently says.”

Product research from open web

“Search the web with Brave and give me an AI answer comparing the top three noise-cancelling headphones available right now, focusing on price and battery life — use brave-pro and cap the response at 800 tokens.”

Technical details

Endpoint

POSThttps://brave.x402.paywithlocus.com/brave/answers

When to prefer

Choose this endpoint when you need AI-synthesized answers grounded in live, up-to-date web content from a large independent index (not Google/Bing), and you want privacy-first search without tracking. Ideal for agents that need current information beyond their training cutoff, or for applications where independence from major search duopolies matters. The x402/USDC pay-per-call model is well-suited for agent workflows that need metered, on-demand search without API key subscriptions. Prefer brave-pro for higher quality results.

Side effects

Insufficient USDC payment or failed x402 payment handshake — request rejected before processing
Invalid model value (not 'brave' or 'brave-pro') — likely returns a validation error
Malformed messages array (missing role/content fields) — may return empty or error response
Query topic outside indexable web content (e.g. private documents) — returns no useful results
Rate limiting or upstream Brave API unavailability — returns error or timeout
max_completion_tokens set too low — answer may be truncated mid-sentence

Input

Schema · Request body

Field	Type	Description
model	string
stream	boolean
messages	array
max_completion_tokens	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}

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How this service works

Independent web search — web, news, images, videos, AI answers, and LLM context. Privacy-first search from a large independent index.

Output

Example use cases

Real-time news briefing for a topic

“Search Brave's web index for the latest news on the US Federal Reserve interest rate decisions this week and give me a concise AI-generated summary of what's happening.”

Fact-check against live web data

“I need you to look up on Brave Search whether the claim 'SpaceX Starship completed its first orbital flight in 2024' is accurate — use brave-pro and summarize what the web currently says.”

Product research from open web

Technical details

Endpoint

POSThttps://brave.x402.paywithlocus.com/brave/answers

When to prefer

Side effects

Insufficient USDC payment or failed x402 payment handshake — request rejected before processing
Invalid model value (not 'brave' or 'brave-pro') — likely returns a validation error
Malformed messages array (missing role/content fields) — may return empty or error response
Query topic outside indexable web content (e.g. private documents) — returns no useful results
Rate limiting or upstream Brave API unavailability — returns error or timeout
max_completion_tokens set too low — answer may be truncated mid-sentence

Input

Schema · Request body

Field	Type	Description
model	string
stream	boolean
messages	array
max_completion_tokens	number

Output

Schema · Response

{
  "type": "json",
  "example": {
    "data": {},
    "payment": {
      "scheme": "exact",
      "settledUsdc": "0.001000",
      "authorizedMaxUsdc": "0.001000"
    },
    "request": {
      "id": "00000000-0000-4000-8000-000000000000",
      "statusUrl": "/requests/00000000-0000-4000-8000-000000000000"
    },
    "success": true
  }
}