SpendPreflight
No liveness check has reached it yet; it is registered on GitHub and has been in the index since 10 Oct 2026. How this is checked
SpendPreflight is an API service that screens payees and domains before AI agents make x402 payments. It returns explainable allow, hold, or block decisions using sanctions checks, domain age, configurable caps, and allowlists, with MCP and open-source client support.
Inferred · not functionally tested
Overview
6 featuresPurpose: Preventing autonomous agents from paying risky or sanctioned recipients through APIs and checkout flows.
Inferred · not functionally tested
Audience: developers building AI agents that make payments
Inferred · not functionally tested
Functions: data_extraction, monitoring
Inferred · not functionally tested
Interfaces: API: indicated (inferred, not tested) · MCP: indicated (inferred, not tested) · CLI: indicated (inferred, not tested) · Self-hosting: unknown
Recorded constraints: pricing: paid · license: MIT · platforms: API, CLI, WEB · deployment: browser, cli, api_only, cloud_managed
Constraint provenance is unknown; confirm requirements with the publisher.
Record sources: spendpreflight.com · github.com. These links do not verify the individual claims.
In the AI security & guardrails space, SpendPreflight takes a focused approach. Inferred · not functionally tested: It focuses on preventing autonomous agents from paying risky or sanctioned recipients through APIs and checkout flows. Inferred · not functionally tested: It is built as a B2B product for developers building AI agents that make payments. Basis unknown · not verified: Pricing is paid, from $1. Basis unknown · not verified: It runs on the web, the command line, and API.
Behind SpendPreflight is SpendPreflight, and it first shipped in 2026. Development happens publicly on GitHub with 28 commits in the last 90 days. Inferred · not functionally tested: Key capabilities include sanctions screening, domain age checks, and allow/hold/block decisions. Inferred · not functionally tested: Catalogued interfaces include an MCP server and a public API.
Summary written by a language model from the project’s public pages.
Tasks: Inferred · not functionally tested
- Sanctions screening
- Domain age checks
- Allow/hold/block decisions
- Configurable caps
- Allowlists
- Explainable receipts
Topics: Inferred · not functionally tested
Built with & integrations
Trust & compliance
Indexing history
1What PulseGate has recorded for this listing
- Indexed10 Oct · 12:03 UTCSpendPreflight seen via MCP Registry (official)Source: MCP Registry (official) · Open
Frequently asked questions about SpendPreflight
- What is SpendPreflight?
- Inferred · not functionally tested: SpendPreflight focuses on preventing autonomous agents from paying risky or sanctioned recipients through APIs and checkout flows. It is catalogued under AI security & guardrails on PulseGate.
- Who is SpendPreflight for?
- Inferred · not functionally tested: SpendPreflight is a B2B product built for developers building AI agents that make payments.
- How much does SpendPreflight cost?
- Basis unknown · not verified: Paid plans start at $1.
- What platforms does SpendPreflight run on?
- Basis unknown · not verified: SpendPreflight runs on the web, the command line, and API.
- Is SpendPreflight still active?
- The GitHub repository shows 28 commits in the last 90 days.
- What projects are similar to SpendPreflight?
- Similar projects tracked by PulseGate include Kineti, agent-custody, and Warden.Kinetiagent-custodyWarden
- Who develops SpendPreflight?
- SpendPreflight is developed by SpendPreflight.
- How long has SpendPreflight been around?
- SpendPreflight first shipped in 2026.
Also in AI security & guardrails
Same category — not a similarity match