Trustless Work

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Trustless Work is a non-custodial escrow service on Stellar and Soroban. Kiba uses it for the escrow and the revenue split of every payment, in USDC, instead of a payment contract of its own. The Kiba contract keeps only the registry.

How Trustless Work works

A REST API (https://dev.api.trustlesswork.com on testnet, https://api.trustlesswork.com on mainnet) authenticated with an x-api-key header. The pattern is:

POST to an endpoint returns an unsigned transaction (XDR).
The caller signs it locally with its Stellar keypair.
POST /helper/send-transaction with the signed XDR submits it to the network.

Trustless Work deploys one contract per escrow, so an escrow is identified by its contractId. The SDK calls this the escrowId. It travels in the X-PAYMENT header and is what a provider verifies and releases.

Role mapping

Trustless Work role	In Kiba
`serviceProvider`, `receiver`, `releaseSigner`, `approver`	the service owner (serves and releases to itself)
`platformAddress`, `disputeResolver`	the Kiba treasury (receives the `platformFee`, resolves disputes and refunds)
signer of deploy and fund	whoever pays: the treasury (credit mode) or the caller’s wallet (direct mode)

platformFee = 5 (%) is the 95/5 split.

Lifecycle of a direct call

open:     POST /deployer/single-release             → sign → send   (→ contractId)
          POST /escrow/single-release/fund-escrow   → sign → send
          (the service serves the request)
release:  POST /escrow/single-release/release-funds → sign → send
refund:   Trustless Work dispute flow, resolved by the disputeResolver

Batched settlement for gateway calls

Calls through the gateway do not open an escrow each. The treasury funds a settlement escrow per publisher and cycle as calls happen, and periodically releases it and sweeps the remainder to the publisher’s wallet. Trustless Work applies the 5 % at release.

Configuration

TRUSTLESS_WORK_API_KEY=                # from the Trustless Work BackOffice dApp
TRUSTLESS_WORK_API_URL=https://dev.api.trustlesswork.com
TRUSTLESS_WORK_PLATFORM_ADDRESS=       # treasury (platformFee + disputes)
TRUSTLESS_WORK_PLATFORM_FEE=5
TRUSTLESS_WORK_TRUSTLINE_ADDRESS=      # escrow asset issuer (testnet: USDC)
TRUSTLESS_WORK_TRUSTLINE_SYMBOL=USDC

Without TRUSTLESS_WORK_API_KEY the SDK starts with escrow disabled: registration and discovery keep working, and any escrow operation throws a clear error.

Getting an API key

Sign in to the Trustless Work BackOffice dApp, create a profile, and generate an API key for the network you target. Trustless Work’s own documentation covers the dApp and the API in depth.