Endpoint · onchainGETapi.x-402.online /v1/chain/allowance ?amount=5&owner=0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F&spender=0x68214ff5c44f38d19ed886e8d59aadb8cab2ce22
Get an ERC-20 allowance with the owner's balance and a sufficiency verdict for the amount you plan to pull.
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Get an ERC-20 allowance with the owner's balance and a sufficiency verdict for the amount you plan to pull. ERC-20 allowance of a spender on an owner (USDC by default), with the owner's balance and, if you pass ?amount=, a verdict: i…Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://api.x-402.online/v1/chain/allowance?amount=5&owner=0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F&spender=0x68214ff5c44f38d19ed886e8d59aadb8cab2ce22
MCP server on this host: online.x-402/mcp
Seen
first 9 days ago · last 14 hr ago
15 free handshakes
Payment
Pays through
x402 · MPP tempo
Offered on?
Base USDC, Solana
Listed on?
Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.394 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by liveness · gap to 1.000 is 0.606: 0.288 uncertain ? + 0.318 short ? · 0.056 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.80 | 0.324 | 0.194 | −0.118 | −0.288 | |
| latency p95 it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.394 | gap to 1.000 = 0.606 · 0.318 short · 0.288 uncertain | 0.394 | −0.318 | −0.288 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.324 liveness
+ 0.200 × 0.000 latency p95
+ 0.200 × 1.000 price stability
= 0.394 → UNRATED: 15 of 30 paid calls weights 2026.09.6 · 15 samples · seed cap_01M3BHH8CM70PS3X3ZYQ9GD9EA|2026-09-04T06:08:11.956Z|2026.09.6
Verify it yourself
npx teppi-check https://api.x-402.online/v1/chain/allowance?amount=5&owner=0x2c871C2b8876dc35e9E19646FDa5ABF1cd27735F&spender=0x68214ff5c44f38d19ed886e8d59aadb8cab2ce22curl -s https://api.teppi.xyz/v1/trust/cap_01M3BHH8CM70PS3X3ZYQ9GD9EA