exists

Deterministic symbol existence for PyPI and npm packages: functions, classes, methods, constants with signatures and deprecation flags, extracted from real artifacts.

Deterministic symbol existence for PyPI and npm packages: functions, classes, methods, constants with signatures and deprecation flags, extracted from real artifacts. Negative answers include closest matches and signed proof. $0.005 USDC per check.

UNRATEDDelisted

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?

0x57407d69…a87467dd

URL

https://attester.dev/v1/symbol/exists

MCP server on this host: io.github.maminihds/attester-mcp

Seen

first 35 days ago · last 35 days ago

15 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Paid calls

No paid calls yet.

Delivery is unknown until someone pays. A handshake only shows it asks for payment.

Verify it yourselfnpx teppi-check https://attester.dev/v1/symbol/existscurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59K7J1GZXK56WN7MKPXF6