SatGate vs API Gateway Rate Limits
API Gateway rate limits throttle request volume. SatGate governs delegated agent authority: budget, route, tool, tenant, payment rail, evidence requirement, and revocation before the request executes.
Verdict
Rate limits answer “how many requests?” SatGate answers “is this agent allowed to spend this budget on this resource right now, and can we prove why?”
Where API Gateway rate limits is genuinely useful
- Basic traffic shaping: requests per second, bursts, quotas, usage plans, and abuse reduction.
- Protecting APIs from generic floods or accidental high-volume clients.
- Fitting into existing API gateway stacks such as AWS API Gateway, Kong, NGINX, Envoy, Apigee, or Tyk.
Where SatGate evaluates agent authority
- Deny, scope, meter, or require proof before the expensive call, tool invocation, or paid resource executes.
- Issue scoped, budgeted, revocable capability for an agent, task, session, tenant, or sub-agent instead of handing out broad static keys.
- Evidence Packs connect identity, delegated authority, policy, budget, route/tool, decision, and receipt into an audit-ready artifact.
- Model tokens, API credits, paid MCP tools, L402/x402-style access, prepaid budgets, and internal chargeback are policy inputs, not separate silos.
What to compare for agent governance
Routing, dashboards, billing caps, and rate limits are useful. They are not the same as cross-provider, cross-rail, pre-execution authority for autonomous agents. SatGate makes the operational loop explicit: Observe the request, Control the delegated budget before execution, and Prove the outcome with an Evidence Pack receipt.
Why this matters in production
A quota is not a policy
“1000 requests/day” does not say whether a child agent was delegated authority for this tool, tenant, dataset, or paid route.
Agents need spend semantics
One request can cost one cent or one thousand dollars. Volume is the wrong control plane for economic risk.
MCP tools are not just URLs
Tool name, server, session, arguments, risk tier, and budget matter. A generic route limit loses the agent context.
Logs are not proof
Access logs provide raw event data. Evidence Packs are constructed around policy, authority, decision, and receipt.
FAQ
Should I remove API Gateway rate limits?
No. Keep them. SatGate adds agent-aware economic policy above blunt traffic controls.
What does SatGate know that a rate limit does not?
Delegated authority, remaining budget, MCP tool identity, route policy, paid-rail context, tenant, agent lineage, and evidence requirements.
Can SatGate run with existing gateways?
Yes. SatGate can sit before, beside, or behind existing gateway infrastructure depending on where enforcement belongs.
Dashboards explain what happened. SatGate controls what agents are allowed to do.
Put SatGate before the paid API call, MCP tool invocation, delegated sub-agent, or model spend. Give agents bounded authority, enforce it before execution, and leave an Evidence Pack when finance, security, or compliance asks why it happened.