Transaction Builder API
Protocol parameters
Fees, limits, and bonding-curve configuration
GET
Returns a short version of the Snekfun protocol configuration — fees, limits, and core bonding-curve parameters used by the builder. The response is built from raw values in the protocol config plus the launch script hash from the contracts config. Poll periodically if you cache fee-sensitive calculations client-side.
Auth: Public
Possible errors:
GET /parameters returns a shortened response. For the full source data, see Protocol config and Contracts config. The deployScript field comes from contracts.launchAsset.hash.Response
string
Total token emission (supply) per launch.
string
Bonding curve numerator.
string
Bonding curve denominator for the
a coefficient.string
Bonding curve
b coefficient numerator.string
Bonding curve
b coefficient denominator.string
ADA market-cap threshold for graduation (lovelace).
string
Fixed fee per transaction (lovelace).
string
Minimum trade size (lovelace).
number
Percentage fee applied to trades.
string
Script hash of the deploy validator.
Error response
string
Machine-readable error code.
string
Human-readable error message.
500 PROTOCOL_CONFIG_NETWORK_MISMATCH— the fetched protocol config does not match the builder network.500 CONTRACTS_CONFIG_NETWORK_MISMATCH— the fetched contracts config does not match the builder network.500 SERVER_ERROR— config fetch, parse, or other internal loading failed.