Limit Break · Authentication Profile

Limit Break Authentication

Authentication

Authentication and authorization model for the Apptoken protocol suite. There are no API keys, no OAuth and no bearer tokens — the caller is authenticated by their EVM transaction signature, and delegated authority is granted through EIP-712 signed, time-bound approvals.

Limit Break declares 6 security scheme(s) across its OpenAPI definitions.

CompanyGamingBlockchainSmart ContractsEthereumEVMTokensNFTDeFiCreator EconomySolidityAgent Skills

Methods: Schemes: 6 OAuth flows: API key in:

Security Schemes

wallet-signature

signature

delegated-approval

co-signature

meta-transaction

on-chain-roles

Source

Authentication Profile

generated: '2026-07-19'
method: searched
source: https://apptokens.com/docs/ + skills/permitc-protocol/references/permitc-core.md
description: Authentication and authorization model for the Apptoken protocol suite. There are no API keys, no OAuth
  and no bearer tokens — the caller is authenticated by their EVM transaction signature, and delegated authority
  is granted through EIP-712 signed, time-bound approvals.
surface: EVM smart contracts
schemes:
- id: evm-transaction
  type: wallet-signature
  description: The transaction sender (msg.sender) is the authenticated principal; authorization is enforced per-function
    by the contract.
- id: eip-712
  type: signature
  description: Off-chain typed-data signatures authorize orders that a third party submits on chain — Payment Processor
    listings and offers, TokenMaster advanced orders, and LBAMM permit swaps.
  docs:
  - https://apptokens.com/docs/integration-guide/payment-processor/v3.0/for-exchanges/listings.md
  - https://apptokens.com/docs/integration-guide/payment-processor/v3.0/for-exchanges/offers.md
- id: permitc
  type: delegated-approval
  description: Time-bound, amount-bound token approvals with nonce management and a lockdown function, used as a
    safer alternative to ERC-20/721 approvalForAll.
  address: '0x000000fCE53B6fC312838A002362a9336F7ce39B'
  docs: https://apptokens.com/docs/integration-guide/payment-processor/v3.0/for-exchanges/permits.md
- id: cosigner
  type: co-signature
  description: Orders may require a second signature from a protocol- or exchange-controlled cosigner, allowing
    off-chain policy enforcement before a fill.
  docs: https://apptokens.com/docs/integration-guide/payment-processor/v3.0/for-exchanges/cosigner-security.md
- id: trusted-forwarder
  type: meta-transaction
  description: Trusted Forwarder sits in front of the protocols to provide web2 app routing, attribution, and optional
    permissioning.
  docs: https://apptokens.com/docs/integration-guide/trusted-forwarder/overview.md
  factory: '0xFF0000B6c4352714cCe809000d0cd30A0E0c8DcE'
- id: role-based
  type: on-chain-roles
  description: Privileged operations are gated by contract roles, e.g. the FEE_MANAGER role that can adjust the
    Payment Processor protocol fee, and an infrastructure admin multisig for protocol-level bindings.
api_keys: false
oauth2: false
openid_connect: false
mutual_tls: false
notes: No apiKey, http, oauth2, openIdConnect or mutualTLS security schemes exist because Limit Break publishes
  no HTTP API.

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