Applies ordered set/remove attribute and set name/description operations to call
Applies ordered set/remove attribute and set name/description operations to caller-supplied metadata, then hashes canonical output. It does not mint, sign, upload, mutate an on-chain token, preserve media, or verify ownership.
Not tested: has real-world effectsour last check, 2026-09-24
0 of 0checks answered this week
n/amedian answer time
$0.003listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://gaming.halowerk.com/v1/nft-metadata-mutate
| Category | Market data |
|---|---|
| Provider host | gaming.halowerk.com |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"asset_id": "sword-0042",
"metadata": {
"attributes": [
{
"key": "level",
"value": 3
},
{
"key": "element",
"value": "water"
}
],
"description": "A weathered steel blade.",
"name": "Harbor Blade"
},
"operations": [
{
"key": "level",
"op": "set_attribute",
"value": 4
},
{
"key": "element",
"op": "remove_attribute"
},
{
"op": "set_description",
"value": "A reforged weathered steel blade."
}
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"properties": {
"asset_id": {
"maxLength": 256,
"minLength": 1,
"type": "string"
},
"metadata": {
"additionalProperties": false,
"properties": {
"attributes": {
"items": {
"additionalProperties": false,
"properties": {
"key": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"value": {
"type": [
"string",
"number",
"boolean",
"null"
]
}
},
"required": [
"key",
"value"
],
"type": "object"
},
"maxItems": 1000,
"type": "array"
},
"description": {
"maxLength": 4096,
"minLength": 0,
"type": "string"
},
"name": {
"maxLength": 256,
"minLength": 1,
"type": "string"
}
},
"required": [
"name",
"description",
"attributes"
],
"type": "object"
},
"operations": {
"items": {
"additionalProperties": false,
"properties": {
"key": {
"maxLength": 128,
"minLength": 1,
"type": "string"
},
"op": {
"enum": [
"set_attribute",
"remove_attribute",
"set_name",
"set_description"
],
"type": "string"
},
"value": {
"type": [
"string",
"number",
"boolean",
"null"
]
}
},
"required": [
"op"
],
"type": "object"
},
"maxItems": 1000,
"minItems": 1,
"type": "array"
}
},
"required": [
"asset_id",
"metadata",
"operations"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}