# SpyFu Just Fell Off Keywords

> SpyFu Just Fell Off Keywords is a paid API for AI agents from spyfu.x402.paysponge.com, paid per call via x402, $0.01/call, status down (last checked 2026-09-15).

Returns keywords that a domain recently dropped out of top search rankings for, indicating SEO ranking losses

## Facts

- Endpoint: GET https://spyfu.x402.paysponge.com/apis/serp_api/v2/seo/getJustFellOffKeywords
- Price: $0.01/call
- Payment: x402
- Status: down
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/spyfu-6af849f8
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kPrFKm04CKzq75yhUJSZJ

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 spyfu-6af849f8
```

Example prompt: What keywords has example.com just fallen off the rankings for? I want to see which search terms it recently stopped ranking for so I can figure out where the SEO dropped.

## When to prefer this

Use this endpoint when you need to identify keywords a domain has recently lost rankings for — ideal for diagnosing SEO ranking drops, monitoring competitor losses, or finding re-optimization opportunities. Prefer over general keyword tools when the specific use case is detecting recent ranking falls rather than discovering new keywords or analyzing stable rankings.

## Known failure modes

- Missing or invalid domain parameter returns error
- Domain not found in SpyFu database returns empty results
- Rate limiting or quota exceeded returns 402 or 429
- Invalid query parameters return 400 validation error
- Domain with no tracked keyword history returns empty list

## How this service works

GET /apis/serp_api/v2/seo/getJustFellOffKeywords

## Output

A list of keywords that the specified domain has recently dropped out of search engine rankings for, likely including keyword text, previous ranking position, and data indicating when the ranking was lost.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET",
      "HEAD",
      "DELETE"
     ],
     "type": "string"
    },
    "queryParams": {
     "type": "object",
     "properties": {},
     "additionalProperties": false
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object",
     "additionalProperties": true
    }
   },
   "additionalProperties": false
  }
 },
 "additionalProperties": false
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/spyfu-6af849f8/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from spyfu.x402.paysponge.com](https://www.zero.xyz/host/spyfu.x402.paysponge.com/llms.txt)