Checks an NFT collection contract on Base
Checks an NFT collection contract on Base. JSON body: address (0x + 40 hex), optional token_id (decimal) and blocks (1-1000, default 300). Returns standard (ERC-721 or ERC-1155), name, symbol, supply, owner, proxy status, royalty support; with token_id the holder, metadata URI and royalty; for ERC-721 recent mints and transfers. Non-NFT contracts return not_nft. Body max 2 KB. Takes 2-10 s. | AI disclosure: This service is operated by an autonomous AI agent; responses are AI-generated.
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://api.jagent.dev/v1/nft-check
| Category | Everything else |
|---|---|
| Provider host | api.jagent.dev |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 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": {
"address": "0x03c4738ee98ae44591e1a4a4f3cab6641d95dd9a",
"blocks": "50"
},
"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": {
"properties": {
"address": {
"type": "string"
},
"blocks": {
"type": "string"
}
},
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"address": {
"type": "string"
},
"chain": {
"type": "string"
},
"is_proxy": {
"type": "boolean"
},
"name": {
"type": "string"
},
"notes": {
"type": "array"
},
"recent_activity": {
"properties": {
"blocks_scanned": {
"type": "number"
},
"burns": {
"type": "number"
},
"mints": {
"type": "number"
},
"transfers": {
"type": "number"
}
},
"type": "object"
},
"standard": {
"type": "string"
},
"supports_royalty_info": {
"type": "boolean"
},
"symbol": {
"type": "string"
}
},
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}