# Services from cdo-production.up.railway.app on Zero > cdo-production.up.railway.app serves 19 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/cdo-production.up.railway.app Live health (JSON, refreshed every minute): https://www.zero.xyz/host/cdo-production.up.railway.app/health.json ## Services - [Brazilian Legal Entity Compliance Screening (CNPJ)](https://www.zero.xyz/c/brazilian-legal-entity-compliance-screening-cnpj-786387d0/llms.txt): $0.1/call via x402. Screens a Brazilian company (CNPJ) against official sanctions registries including CEIS, CNEP, TCU debarment, leniency agreements, and forced-labor registry, returning match results with confidence scores and escalation guidance. - [Company Decision Oracle – Brazil Full Due Diligence Dossier](https://www.zero.xyz/c/company-decision-oracle-brazil-full-due-diligence-dossier-d6ad8a3f/llms.txt): $0.25/call via x402. Runs a consolidated due diligence check on a Brazilian company (by CNPJ), combining registration, ownership, sanctions, court records, and risk signals into a single decision-support report. - [CDO Brazil CNPJ Basic Dossier](https://www.zero.xyz/c/cdo-brazil-cnpj-basic-dossier-9473d994/llms.txt): $0.03/call via x402. Verifies a Brazilian company's existence, legal status, and registration data by CNPJ, returning normalized onboarding signals and official data. - [CDO Corporate Evidence API](https://www.zero.xyz/c/cdo-corporate-evidence-api-ecc1cf9f/llms.txt): $0.01/call via x402. Returns traceable evidence for specific claims about a Brazilian company identified by CNPJ, such as active status, sanctions checks, and beneficial ownership identification. - [CDO Corporate Graph – Brazilian Company Ownership & Officer Network (CNPJ)](https://www.zero.xyz/c/cdo-corporate-graph-brazilian-company-ownership-officer-network-cnpj-13db16cf/llms.txt): $0.02/call via x402. Builds a single-company corporate graph for a Brazilian CNPJ, mapping its owners, officers, address, and contacts as nodes and edges with local risk propagation and flagged inferences. - [RunOnProof UK Payment Authorization](https://www.zero.xyz/c/runonproof-uk-payment-authorization-f62aefc3/llms.txt): $0.25/call via x402. Authorizes a single UK business payment by composing supplier identity, invoice, and payee binding controls into one decision, returning approval or a HOLD with traceable evidence. - [RunOnProof UK Company Legal Status Check](https://www.zero.xyz/c/runonproof-uk-company-legal-status-check-fe676d40/llms.txt): $0.03/call via x402. Verifies the current Companies House legal status, overdue filing indicators, and insolvency observations for a UK company number. - [RunOnProof UK Payment Authorization Gate](https://www.zero.xyz/c/runonproof-uk-payment-authorization-gate-d2014409/llms.txt): $0.15/call via x402. Authorizes a single UK company payment by composing supplier identity, invoice, payee binding, and optional vendor-change gates — returning APPROVE, HOLD, or DENY based on all gate outcomes. - [RunOnProof UK Supplier Approval](https://www.zero.xyz/c/runonproof-uk-supplier-approval-4e705c75/llms.txt): $0.2/call via x402. Screens a UK supplier against Companies House status and the UK Sanctions List under a declared onboarding policy, returning a bounded APPROVE or HOLD decision. - [RunOnProof UK Invoice-Payee Verification](https://www.zero.xyz/c/runonproof-uk-invoice-payee-verification-a5da20d8/llms.txt): $0.09/call via x402. Verifies that the company number on a UK invoice matches the intended payee and validates a time-bound payee-binding control in a single pre-payment call. - [RunOnProof UK Company Check](https://www.zero.xyz/c/runonproof-uk-company-check-eec021ac/llms.txt): $0.04/call via x402. Resolves a UK company's Companies House identity and verifies its current legal status and insolvency observations in a single paid call. - [RunOnProof UK Companies House Entity Resolver](https://www.zero.xyz/c/runonproof-uk-companies-house-entity-resolver-eb31bb28/llms.txt): $0.01/call via x402. Resolves a UK company's identity using Companies House data given a company number or legal name, returning candidate matches or a REVIEW flag on ambiguity. - [RunOnProof UK Supplier Approval](https://www.zero.xyz/c/runonproof-uk-supplier-approval-cad3f9f7/llms.txt): $0.2/call via x402. Approve or hold a UK supplier for onboarding by combining Companies House identity/status verification with UK Sanctions List screening under a declared policy. - [Brazil Company Decision Engine (CDO)](https://www.zero.xyz/c/brazil-company-decision-engine-cdo-6da4d22c/llms.txt): $0.03/call via x402. Progressively consults multiple data sources on a Brazilian company (by CNPJ) and returns a signed, evidence-backed, machine-executable decision for a given business objective at a specified confidence threshold. - [RunOnProof UK Invoice Company Match](https://www.zero.xyz/c/runonproof-uk-invoice-company-match-e53c145e/llms.txt): $0.05/call via x402. Compares UK invoice identity fields (company name, registered postcode) against Companies House records to detect mismatches before payment - [RunOnProof UK Vendor Payment-Detail Change Continuous Authorization](https://www.zero.xyz/c/runonproof-uk-vendor-payment-detail-change-continuous-authorization-996ccdee/llms.txt): $0.2/call via x402. Authorize a scoped, single-use UK vendor payment-detail change with company/sanctions controls and a fresh independent challenge before updating payee details. - [CDO Brazil Company Intelligence Refresh](https://www.zero.xyz/c/cdo-brazil-company-intelligence-refresh-83e97f7a/llms.txt): $0.01/call via x402. Re-runs a full corporate intelligence decision for a Brazilian CNPJ, comparing results to a prior passport, and issues a fresh signed receipt and updated passport if the decision still approves. - [RunOnProof UK Payee Binding Evaluation](https://www.zero.xyz/c/runonproof-uk-payee-binding-evaluation-df9c5a3e/llms.txt): $0.05/call via x402. Evaluates time-bound caller or provider payee-binding control evidence for a UK company before paying a known supplier, returning MATCH, NO_MATCH, or REVIEW based on opaque fingerprint evidence. - [RunOnProof UK Vendor Payment-Detail Change Authorization](https://www.zero.xyz/c/runonproof-uk-vendor-payment-detail-change-authorization-e49466b1/llms.txt): $0.15/call via x402. Authorizes a single-use, expiring change to a UK vendor's payment details by validating existing supplier controls, a prior authorization reference, and a fresh independent challenge—without accepting raw bank data. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)