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: 102K
Paid calls · 30 days: 885K
Launched here: 0

All projects

2,935 results

Most used Rising Most payers Newest Cheapest A–Z

X
x402-aggregator.vercel.appOther services
No description yet.
Basex402-aggregator.vercel.app
from $0.001
1 endpoint
0
calls / 30d
X
x402-agent.scope-research-api.workers.devAI & agents
Web Answer with Sources
Basex402-agent.scope-research-api.workers.dev
from $0.003
4 endpoints
0
calls / 30d
X
x402-agent.kariguetoazul.workers.devCrypto & DeFi
Current cryptocurrency price in USD and EUR with 24-hour change, by coin id (bitcoin, ethereum, solana, and any other). Use it to look up what a token costs right now, or to price something in crypto. Returns price, 24h change and data source.
Basex402-agent.kariguetoazul.workers.dev
from $0.002
1 endpoint
0
calls / 30d
X
x402-agent-tollbooth.onrender.comAI & agents
Automated Smart Contract Bytecode & Exploit Auditor.
Solanax402-agent-tollbooth.onrender.com
from $0.001
4 endpoints
0
calls / 30d
A
AccelerometerCrypto & DeFi
Use this when you need AI progress as it stood on a past date: the reading of the same 129 series (benchmarks, compute, AGI prediction-market odds, model pricing, AI stocks, energy, space, robotics, research output) taken on YYYY-MM-DD. Dated ids are listed free at /. Same per-series shape as /ai-progress/latest, so you can diff dates yourself; /ai-progress/what-changed does the diff for you. Unkn
Solanax402-accelerometer-feed.fly.dev
from $0.001
8 endpoints
0
calls / 30d
S
SEC 8-K Material EventsMarkets & finance
SEC 8-K filings material events API: earnings, M&A, executive changes, auditor change, restatement, cybersecurity incident, bankruptcy, by stock ticker. Extractive/factual only — accession number, EDGAR filing URL, Item numbers with official Item titles verbatim, filed timestamp, response timestamp. No buy/sell signals, scores, sentiment, or rankings. highImportance is a fixed Item-number rule (1.
Basex402-8k-worker.stackstats.workers.dev
from $0.01
1 endpoint
0
calls / 30d
X
x101.funOther services
No description yet.
Basex101.fun
from $0.001
2 endpoints
0
calls / 30d
X
x-research.suzi.tradeData & research
Up to 100 recent posts from caller-supplied accounts.
Solanax-research.suzi.trade
from $0.005
8 endpoints
0
calls / 30d
X
x-research-x402-n3ak8.ondigitalocean.appSocial & people
Read a single stripped tweet object.
Solanax-research-x402-n3ak8.ondigitalocean.app
from $0.005
1 endpoint
0
calls / 30d
X
x-data-gateway.annushka1190.workers.devAI & agents
MCP tools/call gas_base: Current gas price on Base from public RPC (wei + gwei). Optional query network=base for schema probes. e.g. GET /v1/gas/base
BaseSolanax-data-gateway.annushka1190.workers.dev
from $0.001
21 endpoints
0
calls / 30d
W
wurkapi.funCrypto & DeFi
Solana X Raid (custom) — one payment creates a custom cluster. Retry with PAYMENT-SIGNATURE to settle.
BaseSolanawurkapi.fun
from $0.001
29 endpoints
0
calls / 30d
W
Would Pay AgainOther services
Would Pay Again, Issue #3 — full content as JSON {title, web_url, html, markdown}.
Basewouldpayagain.com
from $0.001
10 endpoints
0
calls / 30d
W
workflowsCrypto & DeFi
Imperium Multi-Agent A2A DAG Workflow Engine (x402): Executes multi-agent DeFi, Security, Web RAG, and B2B OSINT DAG workflows in a single x402 call.
Baseworkflows.agentdiet.dev
from Free
6 endpoints
0
calls / 30d
W
wolframalpha.x402.paysponge.comOther services
Service: Wolfram Alpha (https://wolframalpha.x402.paysponge.com/v1/simple)
BaseSolanawolframalpha.x402.paysponge.com
from $0.01
3 endpoints
0
calls / 30d
W
witness.outbid.shOther services
Independent fact + signed receipt. $0.01 USDC.
Basewitness.outbid.sh
from $0.01
1 endpoint
0
calls / 30d
W
wiki.scrapemole.workers.devImages, audio & video
Use when you need a short, sourced explanation of a topic, place, organization, product or concept: returns the Wikipedia article's lead section as plain text plus title, short description, thumbnail and original image, page URL, Wikidata ID and last-modified time, in any Wikipedia language (redirects followed). Every response carries the CC BY-SA 4.0 license, credit line and source link required
Basewiki.scrapemole.workers.dev
from $0.001
3 endpoints
0
calls / 30d
W
whale-momentumCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basewhale-momentum.agentdiet.dev
from Free
5 endpoints
0
calls / 30d
W
whale-momentumCrypto & DeFi
Universal A2A & MCP Tool Discovery, Safe-Proxy & Swarm Router (/v1/x402-broker) — Single-connection meta-router indexing 500+ MCP servers & A2A tools with 85% token compression and Prompt-Guard firewall.
Basewhale-momentum-72343955726.us-central1.run.app
from Free
5 endpoints
0
calls / 30d
C
Crypto PreiseCrypto & DeFi
Aktuelle Coinbase-Preise fuer BTC, SOL und SHIB in USDC
Solanawerner.ddns.net
from $0.001
5 endpoints
0
calls / 30d
W
websearch--gw.swerver.netOther services
No description yet.
Basewebsearch--gw.swerver.net
from $0.01
3 endpoints
0
calls / 30d
W
WebReadSearch & web
Read any public web page as clean Markdown for LLMs: main content only (no nav, ads, scripts), absolute links, title/description/lang metadata. Respects robots.txt; only successful reads are charged.
Basewebread.agentgate.workers.dev
from $0.002
1 endpoint
0
calls / 30d
W
webmaillookup.comOther services
Look up webmail provider information
Basewebmaillookup.com
from $0.005
1 endpoint
0
calls / 30d
P
Page2JSONSearch & web
Page to JSON: scrape and extract any public web page URL into clean structured data JSON. Web scraper / HTML-to-JSON extractor / readability parser for AI agents and LLMs: returns title, author, site name, published date, main article text (plain text), word count, up to 200 links and an optional short summary. Web scraping, content extraction, metadata extraction, article parsing, crawl, RAG inge
Baseweb4-page2json.hawkinsairman.workers.dev
from $0.01
1 endpoint
0
calls / 30d
SwogeAgenticImages, audio & video
Use this when a question needs several of these tools chained together and a written answer, for example comparing tokens or researching a launcher. Price: $0.541 in USDC on Base, or $0.550862 in USDG or $SWOGE on Robinhood Chain (tool price + settlement cost, minimum $0.02).
BaseSolanaweb-production-220a3.up.railway.app
from $0.003
23 endpoints
0
calls / 30d
W
weather-x402.linholiday.workers.devData & research
Observed max/min so far today at a settlement station from METAR/SPECI reports (incl. 6/24-hour max/min groups), local-day aware: separate Kalshi climate-day (LST) and Polymarket local-day windows, plus latest reading.
Baseweather-x402.linholiday.workers.dev
from $0.01
1 endpoint
0
calls / 30d
W
weather-production-18af.up.railway.appData & research
Current weather for a city (or lat/lon): temperature, feels-like, humidity, wind, precipitation and conditions. JSON.
Baseweather-production-18af.up.railway.app
from $0.001
2 endpoints
0
calls / 30d
W
weather-api-x402-production.up.railway.appData & research
No description yet.
Baseweather-api-x402-production.up.railway.app
from $0.001
1 endpoint
0
calls / 30d
W
weather-api-production-c885.up.railway.appData & research
No description yet.
Baseweather-api-production-c885.up.railway.app
from $0.001
1 endpoint
0
calls / 30d
C
Code ReviewCrypto & DeFi
Return the line-level diff between two texts as added/removed/unified hunks with counts. Use it to review a patch, compare two API responses, or decide whether two documents actually differ before spending tokens on them.
Basewealth-agent.wealthagent-app.workers.dev
from $0.001
9 endpoints
0
calls / 30d
agentic.no chatImages, audio & video
agentic.no inference: OpenAI-compatible audio transcription (POST /v1/audio/transcriptions)
Basewayd-1650.agentic.no
from $0.00041
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.