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

Developer tools

4 results

Most used Rising Most payers Newest Cheapest A–Z

E
edge.goldsky.comDeveloper tools
Goldsky Edge RPC — prepaid balance, funds ~1000 requests at 5 atomic units each
BasePolygonArbitrum+10edge.goldsky.com
from $0.005
10 endpoints
17
16 payers
S
Schedule & Timezone ToolsDeveloper tools
Cron next-run calculator — generate future times for bounded five-field POSIX cron schedules in IANA timezones with explicit daylight-saving (DST) policies.
BasePolygonArbitrum+1schedule-tools.use.x402atlas.com
from $0.005
5 endpoints
12
12 payers
G
gate-network.matsutake-lab.workers.devDeveloper tools
Twilio SMS and messaging send preflight. Validate a Twilio Messages.create payload before sending SMS/MMS or other supported messages. Returns static failures, warnings, and unknowns without sending the message.
BasePolygongate-network.matsutake-lab.workers.dev
from $0.005
2 endpoints
6
6 payers
F
files.camelai.ioDeveloper tools
Upload a file and get a temporary signed URL. Send raw file body with Content-Type header. Returns a URL valid for 1 hour.
BasePolygonSolanafiles.camelai.io
from $0.001
1 endpoint
5
4 payers

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.