Join the competition
Turn your API endpoint into a pay-per-request service and compete for your share of $100K USD + 500K ALGO prize pools.
How to win the Global x402 Challenge
Ship a paid x402 endpoint, generate real on-chain usage, and compete for prizes.
Deploy & track
Launch a paid x402 endpoint on Algorand Mainnet. Payments verify and settle through the GoPlausible facilitator, so your activity is automatically tracked in a leaderboard.
Submit
Submit your project details: what the payment unlocks and proof of who is paying for it.
Compete
The top 50 on the leaderboard are considered for the 10 finalist spots, who present live at Devcon 8 India to win.
Top 5 winners pool
1st place: 25K USD
2nd place: 22.5K USD
3rd place: 20K USD
4th place: 17.5K USD
5th place: 15K USD
Top 20 leaderboard pool
500K ALGO distributed across the top 20 endpoints.
Common x402 use cases
Algorand is x402-ready. With low fees, instant finality, and stablecoin support, Algorand can support high-frequency, pay-per-use payment flows without slowing down real-time user or agent interactions. Here are some high-level use cases for x402 to get your ideas flowing
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Charge for data
Sell access to valuable datasets, reports, insights, market signals, verification results, or other information one request at a time.
Charge for compute
Let users or agents pay only when they run a model, execute code, process a file, or complete an inference request.
Charge for actions
Allow agents to pay when they trigger a real service, such as sending a message, booking a resource, generating a file, or completing a workflow.
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Charge for verification
Create paid endpoints for trust scores, proofs, audit trails, reputation checks, or validation services before an agent or user takes action.