# ScriptMasterLabs Utility Credits – Provider Verification & Credit Pack Lookup

> ScriptMasterLabs Utility Credits – Provider Verification & Credit Pack Lookup is a paid API for AI agents from scriptmasterlabs.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-10-12).

Returns a read-only provider proof and live terms for a fixed-size utility credit pack ($0.005 USDC per call) via the x402 pay-per-call protocol.

## Facts

- Endpoint: GET https://scriptmasterlabs.com/api/utility/credits?utm_source=zero.xyz
- Price: $0.005/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-12
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/scriptmasterlabs-utility-credits-provider-verification-credit-pack-d0e4c781
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_DSl_DfUN7kbPENimzNEnC

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 scriptmasterlabs-utility-credits-provider-verification-credit-pack-d0e4c781
```

Example prompt: Can you verify the ScriptMasterLabs provider and pull the live terms for their 10-credit utility pack before we go ahead with the x402 payment?

## When to prefer this

Choose this endpoint when an AI agent needs to verify a provider's identity and inspect live terms before committing a crypto micropayment via the x402 protocol, specifically for ScriptMasterLabs utility compute credits. It is the right choice when the use case involves x402 pay-per-call credit acquisition, provider proof inspection, or purchasing a fixed-size (10-unit) SML utility credit pack for subsequent API calls.

## Known failure modes

- Payment not accepted — live terms and proof not returned, only the pre-payment stub response
- Invalid or missing pack query param — server may return an error or ignore the parameter
- x402 payment protocol failure — micropayment rejected, no delivery proof issued
- Network or upstream failure at scriptmasterlabs.com — endpoint unreachable
- Unrecognized pack size (values other than '10') — may result in rejection or unexpected behavior

## How this service works

Pay-per-call APIs and a read-only provider check for x402 buyers. Inspect evidence and live terms before a caller-controlled payment; accept delivery with proof.

## Output

Returns a JSON object containing the product name ('SML Utility Crypto Credits') and route-specific live values (delivery terms, proof of accepted delivery) that are revealed after a successful x402 payment is accepted. Pre-payment, a note and product label are returned; post-payment, full live terms and delivery proof are included.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input",
  "output"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method",
    "queryParams"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "type": "string",
     "const": "GET"
    },
    "queryParams": {
     "type": "object",
     "required": [],
     "properties": {
      "pack": {
       "enum": [
        "10"
       ],
       "type": "string",
       "description": "Fixed utility credit pack size Search intents: utility api credits, agent compute credits, x402 utility pack."
      }
     },
     "additionalProperties": true
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type",
    "example"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "json"
    },
    "example": {
     "type": "object"
    }
   },
   "additionalProperties": false
  }
 },
 "additionalProperties": false
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "note": "Route-specific live values are returned after successful accepted delivery.",
  "product": "SML Utility Crypto Credits"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/scriptmasterlabs-utility-credits-provider-verification-credit-pack-d0e4c781/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from scriptmasterlabs.com](https://www.zero.xyz/host/scriptmasterlabs.com/llms.txt)