Explore APIs

Every pay-per-call x402 API we can find, ranked by what agents actually pay for. No accounts, no API keys.

Projects: 4.4K
Paid endpoints: 87K
Paid calls · 30 days: 885K
Launched here: 0

AI & agents

364 results

Most used Rising Most payers Newest Cheapest A–Z

A
agent-clock.annushka1190.workers.devAI & agents
Given a standard 5-field cron expression, return the next N fire times in UTC.
Baseagent-clock.annushka1190.workers.dev
from $0.005
1 endpoint
0
calls / 30d
A
agent-bounty-feed.dailydollar.workers.devAI & agents
Filtered agent bounty feed (verified open, claimable, paid AI-agent bounties from public boards + Algora, refreshed hourly). Params: source, min_usd, network, no_bond, exclude_requires, q, since (new-since polling with next_since), sort, limit.
Baseagent-bounty-feed.dailydollar.workers.dev
from $0.01
1 endpoint
0
calls / 30d
A
agent-auditAI & agents
x402 seller + agent-readiness audit of one origin: live 402 challenge per paid route (up to 5), price vs catalog, HEAD/garbage-header safety, llms.txt, /.well-known/x402, openapi.json, dead doc links. Read-only.
Baseagent-audit.agent-audit.workers.dev
from $0.003
3 endpoints
0
calls / 30d
A
auto-fiatAI & agents
Cheapest model meeting a quality bar and top 10 by value
Solanaaf-x402.auto-fiat.workers.dev
from $0.01
2 endpoints
0
calls / 30d

Service data comes from the Coinbase CDP and PayAI discovery lists and refreshes every few hours. Usage is paid calls over the last 30 days. APIs launched here are verified by us; the rest are paid directly to their owners.