# Token Circulating Market Cap Before/After Comparison

> Token Circulating Market Cap Before/After Comparison is a paid API for AI agents from market.datapackvibe.com, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-15).

Computes and compares token circulating market capitalization between two points in time (before and after) using supplied price and supply data.

## Facts

- Endpoint: POST https://market.datapackvibe.com/x402/assistant-bx-token-market-cap-compare?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/token-circulating-market-cap-before-after-comparison-cb52a092
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cfUWOC6mcC3xR-ibAh6zd

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 token-circulating-market-cap-before-after-comparison-cb52a092 -d '<json body>'
```

Example prompt: Compare the circulating market cap before and after a token price change: before it was $2.00 per token with 1,000,000 tokens in circulation, and after it moved to $2.20 with 1,100,000 tokens circulating.

## When to prefer this

Choose this endpoint when you need a deterministic, reproducible market cap comparison between exactly two token states (before and after) using caller-supplied data — not live market feeds. It is ideal for auditing token events (burns, mints, price pumps), backtesting, or reporting where you already have the snapshot values and need a structured delta report at minimal cost ($0.01 USDC).

## Known failure modes

- Missing required fields (price_usd or circulating_tokens) for either before or after object returns a validation error
- Zero or negative values for price or supply are rejected (exclusiveMinimum: 0)
- Extremely large values near the schema maximum may produce precision artifacts
- Non-numeric inputs for numeric fields return a schema validation error
- Network or payment processing failure results in no report being returned

## How this service works

Token circulating market value — Before and after comparison: Before and after comparison for Token circulating market value. Supplied token observations only. Deterministic calculation or caller-threshold verdict, not a live scan, safety proof or trade recommendation. Specialised preset in a shared 50-profile, 20-operation engine. 0.01 USDC includes one bounded before and after comparison report.

## Output

Returns a structured before-and-after comparison report showing the circulating market capitalization at each state (price × circulating supply), the absolute and/or relative change between them, and a deterministic verdict based on caller-supplied inputs — not a live market scan or trade recommendation.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "after": {
   "type": "object",
   "default": {
    "price_usd": 2.2,
    "circulating_tokens": 1100000
   },
   "required": [
    "price_usd",
    "circulating_tokens"
   ],
   "properties": {
    "price_usd": {
     "type": "number",
     "default": 2,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    },
    "circulating_tokens": {
     "type": "number",
     "default": 1000000,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    }
   },
   "additionalProperties": false
  },
  "before": {
   "type": "object",
   "default": {
    "price_usd": 2,
    "circulating_tokens": 1000000
   },
   "required": [
    "price_usd",
    "circulating_tokens"
   ],
   "properties": {
    "price_usd": {
     "type": "number",
     "default": 2,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    },
    "circulating_tokens": {
     "type": "number",
     "default": 1000000,
     "maximum": 10000000000000000,
     "minimum": 0,
     "exclusiveMinimum": 0
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/token-circulating-market-cap-before-after-comparison-cb52a092/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from market.datapackvibe.com](https://www.zero.xyz/host/market.datapackvibe.com/llms.txt)