Explore APIs

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

Projects: 4.5K
Paid endpoints: 106K
Paid calls · 30 days: 1M
Launched here: 0

All projects

3,044 results

Most used Rising Most payers Newest Cheapest A–Z

E
EVM Egress PreflightCrypto & DeFi
Decodes the real recipient or spender from EVM calldata - transfer, transferFrom, approve, increaseAllowance, permit, setApprovalForAll, Uniswap V2 swaps and Multicall3 - and checks it against your allowlist and epoch caps. Catches calls whose destination is allowlisted while the money leaves elsewhere. Fails closed on unknown selectors.
Basejogger-ageless-pronounce.ngrok-free.dev
from $0.01
1 endpoint
0
calls / 30d
J
job-bus feedOther services
Parse RSS/Atom/JSON Feed to JSON items
Solanajob-bus.3dforge-qk.workers.dev
from $0.01
1 endpoint
0
calls / 30d
jemeen-agent-services.onrender.comAI & agents
Validates a JSON document against a JSON Schema (core 2020-12 keywords incl. $ref/$defs, anyOf/oneOf/allOf, formats) and returns every error with instance path, schema path and a plain-language message. Use it as an independent gate on structured LLM output before acting on it.
Solanajemeen-agent-services.onrender.com
from $0.005
1 endpoint
0
calls / 30d
J
jatevo.aiAI & agents
No description yet.
Basejatevo.ai
from $0.01
5 endpoints
0
calls / 30d
IP LookupOther services
IP Lookup — IP lookup - resolve geolocation, ASN, ISP and proxy status for an IP address
Baseipx402.com
from $0.01
1 endpoint
0
calls / 30d
ipv4.fr network toolsSocial & people
HTTP response headers of a public URL (HEAD request, redirects reported, not followed).
Baseipv4.fr
from $0.002
14 endpoints
0
calls / 30d
I
is-ip-alibabaSocial & people
Bulk is ip tencent: up to 20 ips in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.
Baseip.intel.rallylive.ca
from $0.01
16 endpoints
0
calls / 30d
I
intel.solanahub.deCrypto & DeFi
No description yet.
Solanaintel.solanahub.de
from $0.01
1 endpoint
0
calls / 30d
S
slugifyImages, audio & video
Convert any web page URL to clean Markdown for LLMs and agents: fetches the page, removes navigation, ads, scripts and boilerplate, keeps the main article content with headings, lists, tables, links, images and code blocks, and returns title, meta description, word count, headings outline and outbound links. Web scraping, article extraction, readability and HTML-to-Markdown in one call, no API key
Baseintel.rallylive.ca
from $0.01
554 endpoints
0
calls / 30d
I
intel.asrai.meOther services
No description yet.
Baseintel.asrai.me
from $0.005
1 endpoint
0
calls / 30d
I
InsidewellMarkets & finance
Insidewell: SEC Form 4 insider trades from EDGAR, filtered by ticker, insider, side and value, plus cluster buys.
Baseinsidewell-api.cybermaxtools.com
from $0.003
1 endpoint
0
calls / 30d
I
InsidewellMarkets & finance
Insidewell: SEC Form 4 insider trades from EDGAR, filtered by ticker, insider, side and value, plus cluster buys.
Baseinsidewell-api.cybermax-tools.workers.dev
from $0.003
1 endpoint
0
calls / 30d
I
insidercable etf_flowsMarkets & finance
insidercable — Spot bitcoin ETF creation/redemption flows. Point-in-time records: every row carries observed_at (when this pipeline first saw it) separately from happened_at (when the event occurred). Pay per call, USDC on Base or Arbitrum; the same query grammar as the free tier, without the delay or the cap.
Baseinsidercable.com
from $0.005
1 endpoint
0
calls / 30d
I
InjectScanSocial & people
Prompt-injection scan for text your AI agent is about to read (web pages, emails, tool output, MCP tool descriptions): risk score 0-100, verdict, categories and exact spans. Detects instruction overrides, jailbreak personas, system-prompt extraction, fake chat delimiters, data-exfiltration URLs, tool hijacking, hidden Unicode and encoded payloads. Deterministic rules, no data stored.
Baseinjectscan.agentgate.workers.dev
from $0.003
1 endpoint
0
calls / 30d
I
infinite-flux2.bot.streamOther services
No description yet.
Baseinfinite-flux2.bot.stream
from $0.01
4 endpoints
0
calls / 30d
H
hustleos-x402-feed.coolbladez05.workers.devOther services
Live, policy-filtered Taskmarket opportunities suitable for autonomous work agents.
Basehustleos-x402-feed.coolbladez05.workers.dev
from $0.001
1 endpoint
0
calls / 30d
H
hustle-v2-qddwxsqsl-emblem-062a811d.vercel.appOther services
No description yet.
Basehustle-v2-qddwxsqsl-emblem-062a811d.vercel.app
from $0.0012
1 endpoint
0
calls / 30d
H
httpbin.orgData & research
ENI Premium Data Feed - Real-time market data
SolanaBasehttpbin.org
from $0.001
4 endpoints
0
calls / 30d
H
htrlhl3y49.execute-api.us-east-2.amazonaws.comCrypto & DeFi
Recent pump.fun launches (default last hour, mayhem excluded) with compact labels: creator prior, dev buy, bundle/insider share, unique buyers, rug flags.
Solanahtrlhl3y49.execute-api.us-east-2.amazonaws.com
from $0.01
7 endpoints
0
calls / 30d
H
horsetruth.com.auOther services
Australian thoroughbred racehorse performance intelligence: assess form, class, readiness and why a horse may be better or worse than its headline figures.
Basehorsetruth.com.au
from $0.001
3 endpoints
0
calls / 30d
H
hn-pulseCrypto & DeFi
AgentDiet Semantic Distillation (/v1/distill) — Strips 85-97% of HTML token bloat
Basehn-pulse.agentdiet.dev
from Free
5 endpoints
0
calls / 30d
H
hn-pulseCrypto & 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.
Basehn-pulse-72343955726.us-central1.run.app
from Free
5 endpoints
0
calls / 30d
Hyperliquid TrackerCrypto & DeFi
Hyperliquid wallet analysis: liquidation price, distance to liquidation, margin, leverage, unrealized PnL, equity buffer and risk for every open perpetual position.
Basehl-tracker.829686.workers.dev
from $0.01
1 endpoint
0
calls / 30d
H
hl-spot-production.up.railway.appOther services
No description yet.
Basehl-spot-production.up.railway.app
from $0.002
1 endpoint
0
calls / 30d
H
history.parklandarchives.comOther services
No description yet.
Basehistory.parklandarchives.com
from $0.005
5 endpoints
0
calls / 30d
H
HirePulseSocial & people
Detect website technologies, ad pixels and DNS signals from a home page, HTTP headers, cookies and up to two public Google Tag Manager containers. Single domain. No browser JavaScript execution. Blocked, unreachable and nonexistent websites, and pages where no technology was detected (no_signals), are not charged.
Basehirepulse-gateway.hirepulse-commerce-sandbox.workers.dev
from $0.01
3 endpoints
0
calls / 30d
H
helprentdanang.comCrypto & DeFi
Long-term rental listings in Da Nang, Vietnam: search by district, property type, bedrooms and monthly price in VND. Use when an agent needs current rentals with prices, districts and listing URLs (contacts are on the listing page). One payment of 0.01 USDC buys 5000 calls on Base, Solana, Arc or Stellar.
SolanaBaseEVM chain 5042+1helprentdanang.com
from $0.01
1 endpoint
0
calls / 30d
H
healer-malformed-json-healerAI & agents
Schema-Healer Deterministic Malformed JSON Repair Node: Repairs truncated or malformed LLM JSON outputs into strict schema-compliant objects.
Basehealer.agentdiet.dev
from Free
1 endpoint
0
calls / 30d
H
headers.use.x402atlas.comOther services
No description yet.
Baseheaders.use.x402atlas.com
from $0.01
1 endpoint
0
calls / 30d
H
hardx402.vercel.appOther services
No description yet.
Basehardx402.vercel.app
from $0.01
1 endpoint
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.