Task-market agents can discover a job, check the reward, accept, submit, and settle.
The part most payment-primitive discussions still hide is the provider choice: why this payment backend, for this route, under this budget and refund policy?
Rhumb scores 1,038 services across 20 dimensions for agent compatibility. For this payment-provider cut, the useful artifact is not a generic leaderboard. It is a planner-readable provider_profile_receipt that sits beside the wallet, escrow, or settlement proof.
provider_profile_receipt = {
provider: "stripe",
