NFT metadata by token id on 16 EVM chains: token URI from the contract, then nam...
https://saylorinnovations.com/api/chain/nft-metadataOverview
NFT metadata by token id on 16 EVM chains: token URI from the contract, then name, image, description and traits resolved from IPFS, Arweave or inline data.
Protocol
x402
Price
$0.01
Payment Asset
USD Coin
Payment Network
eip155:8453
Category
crypto/nft
Provider
Saylor Innovations Data Desk
Source
bazaar
Indexed
2026-10-21 04:24:47
Health
Status
healthy
Latency (p50)
347ms
Uptime (30d)
100.0%
Reliability Score
95/100
Last Checked
2026-10-28 16:17:09
Last Healthy
2026-10-28 16:17:09
Consecutive Failures
0
x402 Payment Validation
Payment Requirements
Valid
Asset Verified
Known USDC
Facilitator
—
Input Schema
{
"method": "GET",
"queryParams": {
"chain": "ethereum",
"collection": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
"token_id": "1"
},
"type": "http"
}
Output Schema
{
"example": {
"animation_url": null,
"attributes": [
{
"trait_type": "Mouth",
"value": "Grin"
},
{
"trait_type": "Clothes",
"value": "Vietnam Jacket"
},
{
"trait_type": "Background",
"value": "Orange"
},
{
"trait_type": "Eyes",
"value": "Blue Beams"
},
{
"trait_type": "Fur",
"value": "Robot"
}
],
"chain": "ethereum",
"chain_id": 1,
"collection": "0xBC4CA0EdA7647A8aB7C2061c2E118A18a936f13D",
"collection_name": "BoredApeYachtClub",
"collection_symbol": "BAYC",
"description": null,
"external_url": null,
"fetch_note": null,
"image": "https://ipfs.io/ipfs/QmPbxeGcXhYQQNgsC6a36dDyYUcHgMLnGKnF8pVFmGsvqi",
"metadata_fetched": true,
"name": null,
"note": "token_uri is read from the NFT contract; the metadata document is fetched from a public gateway and its text fields are shown as published by the collection, truncated.",
"source": "NFT contract on ethereum (JSON-RPC) and its ipfs/arweave metadata",
"standard": "ERC-721",
"token_id": "1",
"token_uri": "ipfs://QmeSjSinHpPnmXmspMjwiXyN6zS4E9zccariGR3jxcaWtq/1",
"uri_scheme": "ipfs"
},
"type": "json"
}
Recent Health Checks
| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-10-28 16:17:09 | healthy | 402 | 238ms | |
| 2026-10-28 15:24:20 | healthy | 402 | 329ms | |
| 2026-10-28 14:18:52 | healthy | 402 | 789ms | |
| 2026-10-28 07:01:38 | healthy | 402 | 310ms | |
| 2026-10-28 05:39:43 | healthy | 402 | 4312ms | |
| 2026-10-28 04:41:46 | healthy | 402 | 292ms | |
| 2026-10-28 03:48:01 | healthy | 402 | 320ms | |
| 2026-10-28 02:48:12 | healthy | 402 | 479ms | |
| 2026-10-28 01:43:50 | healthy | 402 | 464ms | |
| 2026-10-28 00:37:21 | healthy | 402 | 348ms | |
| 2026-10-27 23:41:17 | healthy | 402 | 289ms | |
| 2026-10-27 22:55:04 | healthy | 402 | 347ms | |
| 2026-10-27 21:44:31 | healthy | 402 | 387ms | |
| 2026-10-27 20:29:36 | healthy | 402 | 332ms | |
| 2026-10-27 19:24:01 | healthy | 402 | 274ms | |
| 2026-10-26 10:19:40 | healthy | 402 | 1108ms | |
| 2026-10-26 01:48:24 | healthy | 402 | 414ms |