API

2s.io — pay-per-call APIs for AI agents

2s.io Domain-anchored seen 7h ago

About

575 deterministic, pay-per-call data endpoints across 112 domains (patents, law, government, finance, geo/weather, vehicles, security, agriculture, energy, maritime, music, and more). x402 micropayments in USDC on Base/Solana — no signup, no API key. One free trial call per endpoint per hour.

Capabilities

agent
agriculture
ai
airport
aviation
bank
barcode
batch
bio
bls
book
business
calendar
census
chem
chinese
class
climate
clinical
code
convert
countdown
country
crypto
dev
dns
domain
earth
econ
edi
edu
email
energy
factcheck
feedback
finance
flight
food
fx
geo
geocode
github
gov
hash
health
html
image
inflation
ipinfo
iso
job
labor
law
license
lock
maritime
markets
medical
music
net
news
nonprofit
nutrition
occupation
paper
papers
park
patents
person
phone
poi
predict
product
property
pubsub
quakes
queue
recreation
registry
research
schedule
search
security
soil
space
sports
stocks
store
sunrise
tax
tcg
telecom
text
tides
time
timezone
tld
tls
trade
transcribe
travel
treasury
url
validate
vehicle
watchers
water
weather
wikidata
wikipedia
word
worldbank

Provenance

Discovered: Crawled directly
Identifier: urn:air:2s.io:api:catalog
Catalog host: 2s.io · crawled directly
Anchor check: Passed
Last crawled: seen 7h ago

Structural trust only: the URN authority (2s.io) matches the catalog host that published this entry. This is NOT a cryptographic proof of ownership — it means the listing is self-consistent with the domain it claims. How trust works →