# Delx Commerce — Funding Payment Calculator

> Delx Commerce — Funding Payment Calculator is a paid API for AI agents from commerce.delx.ai, paid per call via x402, $0.001/call, status unknown (last checked 2026-10-01).

Computes the periodic funding payment amount for a leveraged position given notional size, funding rate, and holding period in hours.

## Facts

- Endpoint: POST https://commerce.delx.ai/api/v1/x402/funding-payment?utm_source=zero.xyz
- Price: $0.001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-01
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/delx-commerce-funding-payment-calculator-168e1144
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_c0EzXbUnymJfSUJBf9I9K

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 delx-commerce-funding-payment-calculator-168e1144 -d '<json body>'
```

Example prompt: What's the funding payment on a $10,000 notional position held for 8 hours at a funding rate of 0.01%?

## When to prefer this

Use this endpoint when you need a fast, pay-per-call, no-signup calculation of futures or perpetual swap funding payments and want verifiable delivery over USDC on Base or Solana. Prefer this over building your own formula when you need an auditable, on-chain-paid result that can be verified by schema version. Especially useful for AI agents autonomously managing leveraged positions that need funding cost estimates before deciding to hold or close.

## Known failure modes

- Missing required fields (hours, notional, or funding_rate) returns a validation error
- Non-integer hours or notional values may cause a type error
- Negative or zero notional/funding_rate values may return unexpected results or errors
- Payment gateway failure (x402 USDC payment not confirmed) blocks response
- Malformed JSON body returns 400 error

## How this service works

Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.

## Output

Returns a JSON object containing the computed funding payment amount (in USD or notional currency units), along with echoed inputs (hours, notional, funding_rate) and a schema version identifier (delx/util-funding-payment/v1) for verifiability.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "hours": {
   "type": "integer",
   "description": "Input field: hours."
  },
  "notional": {
   "type": "integer",
   "description": "Input field: notional."
  },
  "funding_rate": {
   "type": "number",
   "description": "Input field: funding rate."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "hours": 8,
  "schema": "delx/util-funding-payment/v1",
  "payment": 1,
  "notional": 10000,
  "funding_rate": 0.0001
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/delx-commerce-funding-payment-calculator-168e1144/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from commerce.delx.ai](https://www.zero.xyz/host/commerce.delx.ai/llms.txt)