# 2s Web Answer — AI-Powered Web Search Q&A

> 2s Web Answer — AI-Powered Web Search Q&A is a paid API for AI agents from 2s.io, paid per call via x402, $0.0825/call, status unknown (last checked 2026-09-14).

Answers a natural language query by searching the web (general or news) and returning a synthesized ground-truth answer with up to 10 results.

## Facts

- Endpoint: POST https://2s.io/api/ai/web-answer
- Price: $0.0825/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/2s-web-answer-ai-powered-web-search-q-a-387dc4c2
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Whi5fJNRqwi4qSFlyMxA-

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability 2s-web-answer-ai-powered-web-search-q-a-387dc4c2 -d '<json body>'
```

Example prompt: Search the web for 'what is the current status of the US debt ceiling negotiations' and give me a synthesized answer from up to 5 general web results.

## When to prefer this

Choose this endpoint when an AI agent needs a web-grounded, synthesized answer to a natural language question without managing a search API key or scraping pipeline. It is especially useful for current events and news queries where real-time data is required. Prefer it over static knowledge bases when freshness matters, and over raw scraping when you want a synthesized answer rather than raw HTML.

## Known failure modes

- Query too short (< 2 chars) or too long (> 400 chars) returns validation error
- No relevant web results found for obscure or very recent queries
- News topic filter may miss general-purpose answers if topic is set incorrectly
- Rate limiting or payment failure if USDC balance is insufficient
- Synthesized answer may be outdated if web index hasn't refreshed for very recent events

## How this service works

The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.

## Output

Returns a synthesized natural language answer to the query along with supporting web results (up to the requested maximum), sourced from either general web pages or news outlets depending on the topic parameter.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "maxLength": 400,
   "minLength": 2
  },
  "topic": {
   "enum": [
    "general",
    "news"
   ],
   "type": "string"
  },
  "maxResults": {
   "type": "integer",
   "maximum": 10,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/2s-web-answer-ai-powered-web-search-q-a-387dc4c2/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 2s.io](https://www.zero.xyz/host/2s.io/llms.txt)