402.rest
x402 API and tool marketplace

Discover APIs and tools built for paid access.

Browse x402-ready APIs, paid endpoints, and developer tools for apps, automations, and agents.

1,146

listed APIs

8.7M

monthly requests

147

x402 publishers

99.94%

average uptime

x402 Payment Gateway

Metered API billing and access control

Live
Paymentsx402Per request

Charge per request, validate payment headers, and gate premium endpoints through x402-compatible flows.

$0.002per call

Wallet Intelligence API

Address scoring and activity enrichment

Live
Web3AnalyticsJSON

Analyze wallet behavior, transaction history, token exposure, and contract interaction patterns for apps and agents.

$0.01per request

Prompt Router API

Route prompts across model providers

Beta
AIRoutingLow latency

Forward prompts to different LLM providers based on cost, latency, or quality targets with one unified endpoint.

$0.004per prompt

Lead Enrichment API

Business and contact enrichment

Live
DataCRMREST

Take a company name, domain, or partial profile and return structured business details for outreach workflows.

$0.015per lookup

Webhook Relay Tool

Event forwarding and retry handling

New
UtilityWebhooksServerless

Capture events, retry failed deliveries, and relay webhook payloads between apps, agents, and backend systems.

$12per month

SMS Notify API

Transactional messaging endpoints

Live
MessagingSMSTransactional

Send verification codes, status alerts, reminders, and transaction notifications through a clean messaging API.

$0.007per message