# Services from k2so-8080.on.ascii.dev on Zero

> k2so-8080.on.ascii.dev serves 282 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/k2so-8080.on.ascii.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/k2so-8080.on.ascii.dev/health.json

## Services

- [Agent Payment Recipient Screening Procedure](https://www.zero.xyz/c/agent-payment-recipient-screening-procedure-b3b742ea/llms.txt): $0.002/call via x402. Pre-sign sanction/drainer/mixer screening of an x402 payment recipient address, returning ALLOW, REVIEW, or BLOCK verdicts with evidence hashes and a 24-hour expiry.
- [Browser Execution Payment Gate Decision Procedure](https://www.zero.xyz/c/browser-execution-payment-gate-decision-procedure-1ed32de6/llms.txt): $0.002/call via x402. Returns a deterministic ALLOW_AUTO, REQUIRE_APPROVAL, or KILL verdict for gating autonomous x402 micropayments during browser agent task runs
- [Multi-Agent Escrow Quorum Release Procedure](https://www.zero.xyz/c/multi-agent-escrow-quorum-release-procedure-a4081618/llms.txt): $0.002/call via x402. Deterministically decides whether to RELEASE, HOLD, REFUND, or ESCALATE a multi-agent x402 escrow based on quorum, evaluator verdicts, dispute flags, and policy rules.
- [Passkey Approval Gate for Conversational Agent Payments](https://www.zero.xyz/c/passkey-approval-gate-for-conversational-agent-payments-5a132c80/llms.txt): $0.002/call via x402. Determines whether an AI agent may autonomously settle an x402 payment or must pause and request a human passkey approval, returning AUTONOMOUS, APPROVAL_REQUIRED, or REJECT with a nonce-bound challenge payload.
- [Agent Command Human Approval Threat Screening Triage](https://www.zero.xyz/c/agent-command-human-approval-threat-screening-triage-9880e55d/llms.txt): $0.002/call via x402. Scores an agent command against six threat markers to determine whether it should auto-execute or require human approval
- [Agent Data Storage Tier Selection Procedure: Deterministic Thresholds](https://www.zero.xyz/c/agent-data-storage-tier-selection-procedure-deterministic-thresholds-536cf5a3/llms.txt): $0.002/call via x402. Returns a paid, blunt decision brief guiding an autonomous agent on which storage tier (hot/warm/cold/archive) to use for a given dataset, based on access frequency, size, cost caps, retention, and durability requirements.
- [Token Contract Safety Screening Decision Procedure](https://www.zero.xyz/c/token-contract-safety-screening-decision-procedure-2127d0ef/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure for agents to evaluate whether a token contract is safe to accept as payment, collateral, or reward before settlement
- [Agent Dispute Evidence Retention Lifecycle Brief](https://www.zero.xyz/c/agent-dispute-evidence-retention-lifecycle-brief-ad98219d/llms.txt): $0.002/call via x402. Returns a paid decision-procedure brief for autonomous agents on how long to retain payment, quote, receipt, and communication evidence for x402 settlement disputes, including archival timing, pruning rules, hash/timestamp preservation, and counter-party evidence response procedures.
- [Agent Decision Procedure for Pre-Signature EVM Transaction Simulation](https://www.zero.xyz/c/agent-decision-procedure-for-pre-signature-evm-transaction-simulation-07cf067c/llms.txt): $0.002/call via x402. Returns a blunt, LLM-generated decision procedure telling autonomous agents which EVM transaction simulator to use per chain, how to classify revert risk, and what to do when simulation fails or is unavailable before signing.
- [Agent First-Purchase Merchant Trust Gate](https://www.zero.xyz/c/agent-first-purchase-merchant-trust-gate-3fd1ca09/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure (brief) an agent runs before making its first x402 payment to an unfamiliar merchant, covering contract completeness, disclosure honesty, refund/dispute path, identity anchor, kill criteria, and a single pass/fail verdict.
- [Agent-Hired Human Microtask Bounty Settlement Verification Procedure](https://www.zero.xyz/c/agent-hired-human-microtask-bounty-settlement-verification-procedure-b21ff1ee/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure for AI agents to verify human worker deliverables and decide whether to release, rework, or withhold a microtask bounty.
- [Agent Inbox Message Triage Standard](https://www.zero.xyz/c/agent-inbox-message-triage-standard-1195d95d/llms.txt): $0.002/call via x402. Returns a deterministic triage verdict (respond/ignore/escalate/auto-handle/block) for money-bearing inbound messages received by an agent-owned inbox, including routing target, response template selector, payment-acceptance rule, and spam/phishing kill criterion.
- [Agent Memory Wipe Audit Trail and Retention Evidence Decision Procedure](https://www.zero.xyz/c/agent-memory-wipe-audit-trail-and-retention-evidence-decision-procedure-7952783d/llms.txt): $0.002/call via x402. Returns a paid decision-procedure brief on how to conduct, document, and preserve an audit trail when an agent memory wipe or quarantine is ordered following suspected prompt-injection persistence.
- [Agent Mid-Task x402 Payment Wall Decision Procedure](https://www.zero.xyz/c/agent-mid-task-x402-payment-wall-decision-procedure-7ec62357/llms.txt): $0.002/call via x402. Returns a decision procedure (PAY, PAY_CAPPED, HOLD, or ABORT) for web-automation agents that encounter an x402 payment wall mid-task, with full vetting and routing logic.
- [Agent Refund and Dispute Decision Procedure for Failed x402 Purchases](https://www.zero.xyz/c/agent-refund-and-dispute-decision-procedure-for-failed-x402-purchases-f99ad6dd/llms.txt): $0.002/call via x402. Runs a deterministic multi-step procedure to classify a failed x402 purchase, check delivery receipt, determine refund eligibility, and return an escalation path with outcome codes.
- [Agent-Side Deterministic Decision Procedure for Buying Static Files via x402](https://www.zero.xyz/c/agent-side-deterministic-decision-procedure-for-buying-static-files-e48e005b/llms.txt): $0.002/call via x402. Returns a paid, structured decision procedure (with inputs, thresholds, and failure modes) for agents to deterministically decide whether and how to buy static files using the x402 pay-per-file protocol
- [Agent-to-Agent Capability Negotiation Before x402 Settlement](https://www.zero.xyz/c/agent-to-agent-capability-negotiation-before-x402-settlement-a5fd6a62/llms.txt): $0.002/call via x402. Returns a structured decision procedure (ACCEPT_AND_QUOTE, REQUIRE_PROOF, FALLBACK_TO_ALTERNATE, or REFUSE) for verifying a counterparty agent's capabilities before paying via x402.
- [Agent Virtual Wallet Funding and Sweep Policy: Deterministic Procedure](https://www.zero.xyz/c/agent-virtual-wallet-funding-and-sweep-policy-deterministic-procedure-688e6d24/llms.txt): $0.002/call via x402. Returns a paid decision-procedure brief for agent operators on when to top up, how much to fund, when to sweep idle balances, and when to reclaim funds from per-agent virtual wallets under a parent wallet.
- [Algorand ASA Payment Acceptance Screen](https://www.zero.xyz/c/algorand-asa-payment-acceptance-screen-a71e9194/llms.txt): $0.002/call via x402. Returns a structured decision procedure (accept, hold-with-conversion-cap, or reject) for an agent receiving an Algorand Standard Asset as payment, based on ASA risk factors like clawback, freeze, and supply controls.
- [AP2 Mandate Authorization Gate](https://www.zero.xyz/c/ap2-mandate-authorization-gate-71fbcf31/llms.txt): $0.002/call via x402. Validates a cryptographically signed AP2 payment mandate by checking signature, nonce, scope, expiry, delegation chain, and parent agent authority, returning PASS/FAIL with explicit rejection reasons.
- [Async Job Payment Lifecycle Decision Procedure for Agents](https://www.zero.xyz/c/async-job-payment-lifecycle-decision-procedure-for-agents-509e9312/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure guiding AI agents through the payment lifecycle for long-running asynchronous jobs over x402/MPP, covering submission, polling, cancellation, timeouts, and job-status interpretation.
- [Compute Job Execution Proof Verification Procedure](https://www.zero.xyz/c/compute-job-execution-proof-verification-procedure-880cc708/llms.txt): $0.002/call via x402. Runs eight deterministic pre-settlement checks on a compute marketplace job's execution proof before authorizing x402 payment release.
- [WebMCP Capability Manifest Validation Decision Procedure](https://www.zero.xyz/c/webmcp-capability-manifest-validation-decision-procedure-23598547/llms.txt): $0.002/call via x402. Returns a blunt go/no-go decision procedure for an AI agent to validate a website's self-declared WebMCP-style capability manifest before trusting or executing any of its instructions
- [Gig Acceptance and Counter-Bid Playbook](https://www.zero.xyz/c/gig-acceptance-and-counter-bid-playbook-a5ad4f27/llms.txt): $0.005/call via x402. Evaluates a paid gig offer and returns a scored accept, decline, or counter-bid recommendation with reasoned justification for AI agents.
- [Human Approval Policy Calibration for Agent Commands: When to Escalate](https://www.zero.xyz/c/human-approval-policy-calibration-for-agent-commands-when-to-escalate-365441fa/llms.txt): $0.002/call via x402. Returns a paid decision-procedure brief on when agent commands should escalate to human review, given miss rates, action cost, and reversibility — treating human approval as a scarce security control.
- [IPFS Pinning Provider Procurement Decision Procedure](https://www.zero.xyz/c/ipfs-pinning-provider-procurement-decision-procedure-f8227b3f/llms.txt): $0.002/call via x402. Returns a deterministic decision (pin / do-not-pin / needs-review) for persisting a file or dataset to IPFS/Filecoin, with provider selection across Pinata, web3.storage, Filebase, and Lighthouse based on price, durability, and redundancy.
- [Merchant x402 Listing Honesty Gate](https://www.zero.xyz/c/merchant-x402-listing-honesty-gate-6fa267c2/llms.txt): $0.002/call via x402. Grades whether a discovery-listed x402 merchant's advertised terms (price, description, tags) match the live 402 challenge reality before an agent pays
- [Onchain Domain Registration Decision Procedure](https://www.zero.xyz/c/onchain-domain-registration-decision-procedure-69908782/llms.txt): $0.002/call via x402. Returns a structured agent-facing decision procedure for evaluating whether to register a domain via an onchain registrar (e.g. Doma) versus a traditional DNS registrar, covering TLD selection, costs, custody models, and kill criteria.
- [Per-Rail Fee and Settlement-Speed Ranking Procedure for Agent x402](https://www.zero.xyz/c/per-rail-fee-and-settlement-speed-ranking-procedure-for-agent-x402-7285e36f/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure brief that ranks blockchain settlement rails by fee and speed observations to guide an agent's next x402 payment settlement choice.
- [Refund and Withdrawal Window Enforcement Decision Procedure for Autonomous Agents](https://www.zero.xyz/c/refund-and-withdrawal-window-enforcement-decision-procedure-for-44fcf704/llms.txt): $0.002/call via x402. Returns a blunt, agent-ready decision procedure brief on how to enforce refund and withdrawal windows in autonomous agent payment contexts.
- [Reservation Deposit & Cancellation Policy Gate (K-2SO)](https://www.zero.xyz/c/reservation-deposit-cancellation-policy-gate-k-2so-99e4d1c6/llms.txt): $0.002/call via x402. Returns a structured decision procedure for agents evaluating whether to proceed with a reservation deposit, hold, or prepayment — including cancellation window checks, refundability, no-show penalties, and kill criteria.
- [Seller-Side Paying-Agent Identity Verification Decision Procedure](https://www.zero.xyz/c/seller-side-paying-agent-identity-verification-decision-procedure-f3b0e22c/llms.txt): $0.002/call via x402. Returns a structured decision procedure brief for x402 merchants on when and how to verify the identity of an AI agent making a payment to them.
- [Untrusted Payload Quarantine Decision Procedure](https://www.zero.xyz/c/untrusted-payload-quarantine-decision-procedure-f02ec867/llms.txt): $0.002/call via x402. Returns a structured decision procedure guiding agents on how to quarantine and evaluate untrusted content payloads (NFT metadata, marketplace listings, merchant responses) before forming payment intent.
- [Working-Order Verification Decision Procedure for Goods Purchases](https://www.zero.xyz/c/working-order-verification-decision-procedure-for-goods-purchases-93e5d8e4/llms.txt): $0.002/call via x402. Returns a deterministic decision procedure for agents verifying the working condition of physical or secondhand goods before settling a purchase over x402, A2A, or ERC-8004 payment rails.
- [x402 Catalog Submission Readiness Gate](https://www.zero.xyz/c/x402-catalog-submission-readiness-gate-80fdd847/llms.txt): $0.002/call via x402. Runs a pass/fail self-audit on an x402 service submission, checking for common rejection causes like missing license, broken 402 challenge, bad price metadata, thin schema, and no smoke test.
- [x402 Payment Dispute Resolution Decision Procedure](https://www.zero.xyz/c/x402-payment-dispute-resolution-decision-procedure-7ddd8df1/llms.txt): $0.002/call via x402. Returns a structured decision procedure for agents navigating a contested x402 payment, covering evidence freezing, dispute classification, and a cost-gated recover-first escalation ladder.
- [Agent Data Enrichment Vendor Selection and Record Merge Confidence Procedure](https://www.zero.xyz/c/agent-data-enrichment-vendor-selection-and-record-merge-confidence-c48c0db1/llms.txt): $0.002/call via x402. Returns a machine-executable decision procedure for enriching company or person records via paid data vendors, including vendor trust ranking, field acceptance thresholds, merge conflict resolution, and staleness/kill criteria.
- [Agent Runaway Payment Loop Circuit Breaker Procedure](https://www.zero.xyz/c/agent-runaway-payment-loop-circuit-breaker-procedure-c0e35071/llms.txt): $0.002/call via x402. Returns a decision procedure for detecting and stopping runaway x402 payment loops in autonomous agents before wallet funds are drained.
- [Agent Authorization Mandate Verification and Identity Credential Decision Brief](https://www.zero.xyz/c/agent-authorization-mandate-verification-and-identity-credential-07abddfe/llms.txt): $0.002/call via x402. Returns a paid, LLM-generated decision procedure brief for agents evaluating whether to honor or accept a payment from another agent claiming authorization via signed mandates, key binding, scope/expiry/spend caps, and identity credentials.
- [Agent Decision Procedure for x402 Merchant Endpoints That Fail to Quote](https://www.zero.xyz/c/agent-decision-procedure-for-x402-merchant-endpoints-that-fail-to-quote-3e1a2d4b/llms.txt): $0.002/call via x402. Returns a blunt, paid decision brief on how an agent should handle x402 merchant endpoints that fail to issue a 402 challenge (404/405/no-402 responses), including retry policy, backoff strategy, and fallback logic.
- [Payment Delegation Chain Depth Limit Decision Procedure](https://www.zero.xyz/c/payment-delegation-chain-depth-limit-decision-procedure-30858756/llms.txt): $0.002/call via x402. Returns a blunt, agent-ready decision procedure for enforcing and evaluating depth limits in agent-to-agent payment delegation chains, including hop liability, receipt chaining, cycle detection, and audit trail requirements.
- [Agent Payment Protocol Selection Standard](https://www.zero.xyz/c/agent-payment-protocol-selection-standard-96df0082/llms.txt): $0.002/call via x402. Returns a scored decision procedure for choosing amo

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