# Delx Commerce Block Time ETA Calculator

> Delx Commerce Block Time ETA 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).

Calculates the estimated time in seconds for a given number of blockchain blocks to be produced, given a seconds-per-block rate

## Facts

- Endpoint: POST https://commerce.delx.ai/api/v1/x402/block-time-eta?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-block-time-eta-calculator-33b00c80
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nJWxE4zHH8JXUqqyGidLG

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-block-time-eta-calculator-33b00c80 -d '<json body>'
```

Example prompt: How long will it take for 25 blocks to be confirmed on a blockchain where each block takes 12 seconds?

## When to prefer this

Use this endpoint when an agent needs a quick, cheap, stateless conversion from a block count to a wall-clock duration estimate and already knows the target chain's average block time. It is ideal for blockchain-aware agents that need to surface human-readable time estimates from on-chain block deltas without querying a node directly.

## Known failure modes

- Missing required 'blocks' or 'seconds_per_block' fields returns a validation error
- Non-integer values for either field may cause a type error
- Zero or negative values for seconds_per_block may produce nonsensical or error results
- Payment failure via x402 protocol results in 402 response before computation occurs

## 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 input block count, the seconds-per-block value used, and the computed ETA in seconds (blocks × seconds_per_block), tagged with a schema identifier 'delx/util-block-time-eta/v1'.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "blocks": {
   "type": "integer",
   "description": "Input field: blocks."
  },
  "seconds_per_block": {
   "type": "integer",
   "description": "Input field: seconds per block."
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "blocks": 10,
  "schema": "delx/util-block-time-eta/v1",
  "eta_seconds": 20,
  "seconds_per_block": 2
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/delx-commerce-block-time-eta-calculator-33b00c80/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)