Contract addresses - Atum Docs

Overview

Atum deploys a set of protocol contracts on each supported network. These contracts handle escrow, fulfillment, and spend approvals on-chain.

Contract roles

Contract	Role
Settlement vault	Locks source funds until delivery is proven on the destination rail
FulfillmentProxy	Routes and executes fulfillment on the destination rail
Permit2	Standard Uniswap contract for token spend approvals

Supported networks

Atum’s contracts are currently deployed on the following networks:

EVM — Ethereum, Arbitrum, Base, Optimism, Polygon, Avalanche, Celo
Tron — Tron Shasta
Solana — Solana devnet

Fetch addresses

Contract addresses are returned by the /v1/defaults endpoint — one entry per configured chain. This is the authoritative source; do not hardcode addresses. Fetch all chains at once:

curl -sS https://payment-gw.production-testnet.atum.xyz/v1/defaults | jq

Or fetch a specific chain:

curl -sS "https://payment-gw.production-testnet.atum.xyz/v1/defaults?chain_id=eip155:421614" | jq

Response fields

Field	Description
`escrow_contract`	Settlement vault — where source funds are locked until delivery is proven
`fulfillment_proxy`	FulfillmentProxy — records delivery on the destination rail
`fulfillment_verifier.account`	Account authorized to verify fulfillment
`fulfillment_verifier.endpoint`	Veri-fill service URL called by settlement providers to confirm delivery
`quote_selector`	Account (the reserver) that selects the winning settlement provider quote