{"domain":"facilitator.ultravioletadao.xyz","count":1,"changes":[{"captured_at":"2026-09-19T06:06:07","card_hash":"875837ca5e73286a4bbbba3c9a66675b8f85ccbae158fd9f7c61e9410015fc25","previous_card_hash":null,"diff":{"skills_added":[{"id":"list-supported","name":"List supported networks and schemes","description":"GET /supported returns the enabled (version, scheme, network) capabilities and network-specific fee payers. Legacy/CAIP-2 aliases may coexist; Hedera is native v2 only.","tags":["x402","discovery","networks","caip-2"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"negotiate-accepts","name":"Negotiate payment requirements","description":"POST /accepts. Enriches a seller's draft payment requirements with the facilitator's fee payer, token list and escrow data. Faremeter-middleware compatible.","tags":["x402","402-challenge","faremeter"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"settle-payment","name":"Settle a payment on-chain","description":"POST /settle re-verifies and submits the network-native transfer. Read success and transaction in the response; Hedera returns account@seconds.nanoseconds. Arc/Hedera support exact only; other schemes depend on the advertised network.","tags":["x402","settle","on-chain","gasless"],"inputModes":["application/json"],"outputModes":["application/json"]},{"id":"verify-payment","name":"Verify a payment authorization","description":"POST /verify. Answers HTTP 200 with {\"isValid\": true|false}; a rejected payment is still a 200, so branch on the body, not the status code.","tags":["x402","verify","eip-3009","payments"],"inputModes":["application/json"],"outputModes":["application/json"]}],"skills_removed":[],"skills_changed":[],"fields_changed":[{"field":"name","before":null,"after":"Ultravioleta DAO x402 Facilitator"},{"field":"description","before":null,"after":"x402 payment facilitator operated by Ultravioleta DAO. Verifies and settles signed payments with sponsored network fees, including Arc USDC mainnet/testnet and native Hedera HBAR/USDC mainnet/testnet. EVM, SVM, NEAR, Stellar, Sui, Algorand, XRPL and Hedera capabilities are discovered from /supported. Hedera uses x402 v2/exact only; Arc uses direct EOA exact v1/v2. No facilitator fee. ERC-8004 identity/reputation and Bazaar discovery have their own network scopes."},{"field":"version","before":null,"after":"1.0.0"},{"field":"url","before":null,"after":"https://facilitator.ultravioletadao.xyz/"},{"field":"documentationUrl","before":null,"after":"https://facilitator.ultravioletadao.xyz/skill.md"},{"field":"preferredTransport","before":null,"after":"HTTP+JSON"}],"other_changed":true,"is_empty":false,"human_summary":"added 4 skills · name ∅ → Ultravioleta DAO x402 Facilitator · description ∅ → x402 payment facilitator operated by Ult · version ∅ → 1.0.0 · url ∅ → https://facilitator.ultravioletadao.xyz/ · documentationUrl ∅ → https://facilitator.ultravioletadao.xyz/ · preferredTransport ∅ → HTTP+JSON"}}]}