# SundayFactoryX Signals Forecasts Endpoint

> SundayFactoryX Signals Forecasts Endpoint is a paid API for AI agents from api.sundayfactoryx.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-10-11).

Returns market signal forecasts for autonomous agents via a pay-per-call x402 USDC-gated REST API

## Facts

- Endpoint: GET https://api.sundayfactoryx.com/v1/signals/forecasts?utm_source=zero.xyz
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/sundayfactoryx-signals-forecasts-endpoint-bf64887d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_q37LqRQHCgIAi1Wue45Jr

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 sundayfactoryx-signals-forecasts-endpoint-bf64887d
```

Example prompt: Pull the latest market signal forecasts from SundayFactoryX and return them in JSON format — go ahead and pay the $0.05 USDC fee on Base.

## When to prefer this

Choose this endpoint when your autonomous agent needs market signal forecasts on a pay-per-call basis without committing to a subscription, especially when the agent is x402-aware and can settle micropayments in USDC on Base. It is well-suited for infrequent or event-driven forecast lookups where cost efficiency per call matters. Prefer alternatives if you need high-frequency polling (cost adds up at $0.05/call), if you require guaranteed schema stability, or if your agent cannot handle x402 payment flows.

## Known failure modes

- HTTP 402 returned if payment challenge is not satisfied — agent must complete x402 v2 USDC payment on Base before data is released
- Invalid or missing format parameter may result in unexpected response envelope structure
- Payment failure or insufficient USDC balance on Base will block access to forecast data
- Network or provider downtime may result in 5xx errors with no forecast data returned
- Stale or cached data may be returned if upstream market data provider is delayed

## How this service works

Pay-per-call (x402) market-data + research API for autonomous agents. Paid endpoints return HTTP 402 with an x402 v2 payment challenge; pay in USDC on Base with any x402-aware client.

## Output

A JSON envelope containing market signal forecasts and research data. The exact shape of the response object is not fully specified in the schema, but it returns structured forecast/signal fields relevant to autonomous agent decision-making, gated behind a $0.05 USDC x402 payment settled on the Base network.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "format": {
   "enum": [
    "json"
   ],
   "type": "string",
   "description": "response format (JSON envelope)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/sundayfactoryx-signals-forecasts-endpoint-bf64887d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.sundayfactoryx.com](https://www.zero.xyz/host/api.sundayfactoryx.com/llms.txt)