U

Universal SERP

Published bySmart API
8/28/2026
Agent payments

Subscription Plans

4 plans

BASIC

$0 / month
  • Included quotas:
    • 150 Requests
  • Renews automatically
  • Unused quotas do not carry over to the next period
  • No credit card required

Rate Limit

1 requests per second

PRO

$25 / month
  • Included quotas:
    • 6,000 Requests
  • Renews automatically
  • Unused quotas do not carry over to the next period

Rate Limit

1 requests per second

ULTRA

$80 / month
  • Included quotas:
    • 25,000 Requests
  • Renews automatically
  • Unused quotas do not carry over to the next period

Rate Limit

1 requests per second

MEGA

$175 / month
  • Included quotas:
    • 70,000 Requests
  • Renews automatically
  • Unused quotas do not carry over to the next period

Rate Limit

2 requests per second

Pay As You Go Plans

1 plan

Pay as you go
month

You only pay for what you use. No credit card required for free tiers.

Graduated pricing — each unit is billed at the rate of the tier it falls in.

Requests
Price per unit
All usage
$0.0025

Rate Limit

5 requests per second

Cost Calculator

Estimated cost:$0.00 / month
  • Usage resets periodically
  • You must have funds in your balance to use paid tiers Add funds
  • You only pay for successful requests Learn more

For AI agents

0 endpoints

Pay with a wallet

Agents pay with x402 or MPP — per request, or by buying a plan and receiving an API key.

No endpoint is sold per request yet — agents can buy any plan on this page and receive an API key.

Machine-readable catalog Agent directory page How agents pay