Endpoint · onchainGETapi.onesource.io /api/chain/nft-metadata ?contract=0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d&network=ethereum&token_id=1
NFT metadata for ERC721 or ERC1155 tokens via eth_call, with IPFS, Arweave, data URI, and public HTTP(S) resolution
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.008 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.onesource.io/api/chain/nft-metadata?contract=0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d&network=ethereum&token_id=1
Seen
first 34 days ago · last 11 hr ago
78 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Tempo USDC.e
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.747 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.253: 0.198 uncertain ? + 0.055 short ? · 0.053 to B
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.73 | 0.000 | 0.000 | −0.055 | −0.145 | |
| liveness it answered at all |
0.60 | 1.00 | 0.912 | 0.547 | 0 | −0.053 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.747 | gap to 1.000 = 0.253 · 0.055 short · 0.198 uncertain | 0.747 | −0.055 | −0.198 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.912 liveness
+ 0.200 × 1.000 price stability
= 0.747 → UNRATED: 70 of 30 paid calls weights 2026.09.6 · 70 samples · seed cap_01M1A51MEN2WE2765K7B401ERE|2026-09-03T11:14:02.080Z|2026.09.6
Verify it yourself
npx teppi-check https://api.onesource.io/api/chain/nft-metadata?contract=0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d&network=ethereum&token_id=1curl -s https://api.teppi.xyz/v1/trust/cap_01M1A51MEN2WE2765K7B401ERE