MANDATESHIELD FOR PAID APIS AND MCP TOOLS
Payment controls for paid APIs, MCP tools and machine services
Let agents use paid machine services without turning every tool call, retry or loop into unconstrained spending authority.
Who this is for
API sellers, MCP server operators, agent platforms and developers connecting autonomous software to usage-priced machine services.
The execution risk
A callable tool is not automatically an authorized purchase. Loops, retries, changed payment requirements and resource substitution can multiply spend or buy a different service than the user or enterprise approved.
How the control fits
- Resolve the final provider, paid resource, amount, asset or currency and network before constructing a payment credential.
- Bind those exact facts to an immutable mandate and account-pinned issuer key.
- Atomically reserve per-attempt and cumulative headroom across every concurrent agent.
- Require an audience-bound gateway to CONSUME the reservation once before MPP, x402 or provider submission, then COMMIT or RELEASE the confirmed outcome.
Controls included
The operational result
The paid API or MCP service keeps its own pricing and settlement flow while a separate authority boundary decides whether this agent may buy this exact resource now.
Check a purchase boundary now
Use the public validator with sample data, or integrate strict reservation plus processor-side CONSUME before provider submission.
Open free validator →