# Kalshi NBA Market Implied Probability by Ticker

> Kalshi NBA Market Implied Probability by Ticker is a paid API for AI agents from nba-odds-gap.relayhop.workers.dev, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Returns the implied probability (mid of yes bid/ask) for a specific Kalshi NBA championship market by ticker symbol

## Facts

- Endpoint: GET https://nba-odds-gap.relayhop.workers.dev/v1/nba/odds/kalshi/KXNBA-26-OKC
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nba-odds-gap-relayhop-workers-dev-a0ee58c4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Unn-jRzZL__1bj3gbBYfJ

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 nba-odds-gap-relayhop-workers-dev-a0ee58c4
```

Example prompt: What is the current Kalshi implied probability for OKC winning the 2026 NBA championship? Look up the KXNBA-26-OKC ticker.

## When to prefer this

Use this endpoint when you specifically need Kalshi implied probabilities for NBA championship markets by ticker. It is the go-to choice when you want raw Kalshi mid-price data for a single team, especially as input to cross-market arbitrage analysis or comparison with Polymarket odds.

## Known failure modes

- Invalid or unrecognized Kalshi ticker returns an error or empty response
- Kalshi API downtime causes upstream failure
- Ticker format mismatch (e.g. wrong season year or team abbreviation) returns no data
- Payment of $0.05 USDC not provided results in HTTP 402 response

## How this service works

Kalshi NBA market implied probability (mid of yes bid/ask) by ticker, e.g. KXNBA-26-OKC. Source: Kalshi public API (free, keyless).

## Output

Returns the implied probability (mid of yes bid/ask spread) for the specified Kalshi NBA championship market, derived from the Kalshi public API without requiring an API key.

## Example request

```json
{
 "input": {
  "ticker": "KXNBA-26-OKC"
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "ticker": {
     "in": "path",
     "type": "string",
     "description": "Kalshi market ticker, e.g. KXNBA-26-OKC"
    }
   }
  },
  "output": {
   "type": "object"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nba-odds-gap-relayhop-workers-dev-a0ee58c4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from nba-odds-gap.relayhop.workers.dev](https://www.zero.xyz/host/nba-odds-gap.relayhop.workers.dev/llms.txt)