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Veto
What Veto is
Veto checks AI agent tool calls before they run, then gives each action an allow, deny, or approval-required result. Its policies can permit actions considered safe, send risky ones for approval, and block prohibited actions. For governed decisions, it can record the actor, tenant, tool, policy, and approver. Listed integrations include OpenAI, Anthropic, Gemini, Amazon Bedrock, Cohere, Groq, Mistral, Together AI, LangChain, LangGraph, MCP, and Playwright. The production SDK path is TypeScript; Python is identified as a preview package for local checks. Veto’s SDK and policy engine are Apache-2.0 and can run locally, and the critical enforcement path can use cached policy if Veto Cloud is unavailable. Veto says customer tool-call payloads, policies, and decision records are processed to deliver the service, not to train models. The Developer plan is $0 per month, with 5,000 monthly checks and seven-day decision records; Hosted is $299 per month. Enterprise pricing is custom. The maker is Plaw, Inc.
Who it suits
Veto describes its strongest commercial fit as startups and vendors selling agents into workflows where buyers require policy, approval, and evidence before production. It may also suit teams seeking a local Apache-2.0 policy engine or approval records.
What it does well
- Policy rules can allow, hold, or block actions.
- Decision records can include actor, tenant, tool, policy, approver.
- Local Apache-2.0 SDK and policy engine.
- Developer plan includes 5,000 checks monthly at $0.
- Hosted plan includes 100K checks monthly for $299.
What to know first
- Python SDK is described as a preview package.
- Developer decision records are kept for seven days.
- Hosted checks above plan cost $0.75 per 1K.
- Enterprise price is custom and not listed.
Limits
Developer includes 5,000 action checks per month and seven days of decision records, with a hard cap and no overage. Hosted includes 100,000 checks per month and 90 days of decision records; checks above that allowance cost $0.75 per 1,000.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Developer | $0 per month · 5,000 action checks per month · 7 days decision records · SDK, CLI, and email approval links · local Apache-2.0 engine · hard cap, no overage | Free |
| Hosted | $299 per month · 100K action checks per month · $0.75 per 1K checks above plan · 90 days decision records · CSV and JSON export · unlimited seats, reviewers, and approval clicks | $299 a month |
| Enterprise | Custom · Cloud, BYOC, on-prem, or isolated networks · HIPAA BAA and EU DPA · custom retention and audit export · SSO, SCIM, SLAs, contracted uptime · named founder and engineering channel | On request |
As veto.so lists them, read 7 Oct 2026. The maker's own page has the final word.
Getting started
- Visit the Veto website.
- Choose the free Developer plan or review the Hosted and Enterprise options.
- Use the TypeScript production SDK, or the Python preview for local checks.
- Connect Veto with a listed integration such as an agent framework or model provider.
- Set policies for allowed, approval-required, and denied actions.
Verdict
Veto combines tool-call decisions with approval workflows and decision records. Check the plan limits and SDK status against your deployment needs; enterprise pricing is custom.
Questions
Is there a free plan?
Yes. Developer costs nothing, billed at $0 per month, and includes 5,000 monthly action checks and seven days of decision records.
How much does Hosted cost?
Hosted costs $299 a month, billed at $299 per month. It includes 100,000 monthly checks, with additional checks at $0.75 per 1,000.
Does Veto have an open-source component?
Veto says its SDK and policy engine are Apache-2.0 and can run locally.
Which SDKs are available?
The production SDK path is TypeScript. Python is described as a preview package for local tool-call checks.
Which integrations are listed?
The integrations page lists OpenAI, Anthropic, Gemini, Amazon Bedrock, Cohere, Groq, Mistral, Together AI, LangChain, LangGraph, MCP, and Playwright, among others.
Who makes Veto?
The site identifies Veto as a product of Plaw, Inc.
Facts from Veto's own pages
- Data use
- Veto says customer tool-call payloads, policies, and decision records are processed to deliver the service and are not used to train models. · veto.so, 7 Oct 2026
- Decision records
- Veto can record actor, tenant, tool, policy, and approver for governed decisions. · veto.so, 7 Oct 2026
- Integrations
- The integrations page lists OpenAI, Anthropic, Gemini, Amazon Bedrock, Cohere, Groq, Mistral, Together AI, LangChain, LangGraph, MCP, and Playwright, among others. · veto.so, 7 Oct 2026
- Maker
- The site identifies Veto as a product of Plaw, Inc. · veto.so, 7 Oct 2026
- Offline enforcement
- The FAQ says the critical enforcement path can run locally from cached policy if Veto Cloud is unreachable. · veto.so, 7 Oct 2026
- Open source
- Veto says its SDK and policy engine are Apache-2.0 and can be run locally. · veto.so, 7 Oct 2026
- Policy rules
- Policies can allow safe actions, hold risky actions for approval, and block forbidden actions. · veto.so, 7 Oct 2026
- Purpose
- Veto checks AI agent tool calls before execution and returns an allow, deny, or approval-required verdict. · veto.so, 7 Oct 2026
- SDKs
- The production SDK path is TypeScript, and Python is described as a preview package for local tool-call checks. · veto.so, 7 Oct 2026
- Security
- The security page says production endpoints require HTTPS/TLS, database storage and backups use provider-managed encryption keys, and API keys are stored as one-way hashes. · veto.so, 7 Oct 2026
- SOC 2
- Veto says its security program is mapped to the SOC 2 Trust Services Criteria and that current control evidence is shared with qualified customer security teams during review. · veto.so, 7 Oct 2026
- Support
- Veto says it responds to security questionnaires, vendor assessments, or compliance questions within 24 hours. · veto.so, 7 Oct 2026
- Target users
- Veto describes its strongest commercial fit as startups and vendors selling agents into workflows where buyers require policy, approval, and evidence before production. · veto.so, 7 Oct 2026
Where Veto stands on Freedom251
- Deal Desk Software#14 of 41