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

4,273 results

Most used Rising Most payers Newest Cheapest A–Z

A
api.netbrainis.co.zaCrypto & DeFi
Read the current on-chain compliance status for an Ethereum address from the ComplianceOracle contract (view call, no gas)
Baseapi.netbrainis.co.za
from $0.01
1 endpoint
0
calls / 30d
A
api.moltalyzer.xyzOther services
No description yet.
Baseapi.moltalyzer.xyz
from $0.005
6 endpoints
0
calls / 30d
M
MDataAccessSocial & people
Enrich a company using its name or website.
Baseapi.mdataaccess.com
from $0.002
3 endpoints
0
calls / 30d
A
api.market2000.xyzMarkets & finance
Trading Portfolio — the book as it stands right now. Every open position with its size, entry, live mark and unrealized PnL, plus total account equity. Real fills on a real venue, not a delayed report. HOW TO CALL: GET /trading/portfolio RESPONSE: account_value_usd — total equity in USD open_positions — [{asset, side, size, entry_price, mark_price, unrealized_pnl}] PRICING: $0.0001
Baseapi.market2000.xyz
from $0.0001
1 endpoint
0
calls / 30d
L
Lupa AR APIMarkets & finance
Dólar blue en Argentina, un solo dato: compra, venta, fecha y fuente. Sin fecha: cotización actual (dolarapi.com). Con fecha=YYYY-MM-DD (desde 2011-01-03, mismo precio): valor de esa fecha según api.argentinadatos.com. Mercado informal relevado por terceros.
Baseapi.lupapago.com
from $0.001
7 endpoints
0
calls / 30d
Koinelix AI APIImages, audio & video
Generate one image from a text prompt, optionally with up to 3 reference images, and receive it synchronously as Base64 JSON. Price: 0.05 USDC per paid call. No account is needed: send the JSON body with an x402 payment; each anonymous payment buys exactly one generation attempt. Payment settles before generation and is not refunded if generation fails. Generation usually takes tens of seconds; ke
Baseapi.koinelix.com
from $0.01
2 endpoints
0
calls / 30d
A
api.isocast.devOther services
No description yet.
Baseapi.isocast.dev
from $0.01
1 endpoint
0
calls / 30d
6
60SecMonitor Status APIOther services
List recent outages and incidents for one SaaS vendor. $0.01 USDC on Base per call. Returns up to 10 most recent incidents (title, status, severity, start and resolve times) from 60SecMonitor. Unknown vendors return 404, not charged. Don't use this for live up/down status; use /v1/status.
Baseapi.isitdownapi.com
from $0.01
3 endpoints
0
calls / 30d
A
api.instahuman.comOther services
No description yet.
Baseapi.instahuman.com
from $2.00
1 endpoint
0
calls / 30d
A
api.ingest0r.comOther services
No description yet.
BaseSolanaapi.ingest0r.com
from $0.01
4 endpoints
0
calls / 30d
I
InboxGuards Email TestDeveloper tools
Get the exact SPF, DKIM and DMARC DNS records to publish for a domain. $1 USDC on Base per call. Reads live MX, NS, SPF, DKIM and DMARC, detects the mail provider and DNS host, and returns records in order (create, replace or keep) with one merged SPF and a staged DMARC policy. Don't use this for testing a real sent message; use /v1/report.
Baseapi.inboxguardstest.com
from $0.005
3 endpoints
0
calls / 30d
A
api.hypercli.comOther services
HyperClaw plan purchase (variable amount, prorated by payment)
Baseapi.hypercli.com
from $0.01
4 endpoints
0
calls / 30d
A
api.httpayer.comOther services
No description yet.
Baseapi.httpayer.com
from $0.0052
1 endpoint
0
calls / 30d
A
api.heyanon.aiSocial & people
Ask Gemma AI bot for general crypto information including protocols analysis, community insights, market data, news, TVL analytics, sentiment analysis, and token research. Gemma has access to: community (Telegram/Discord/Twitter/Docs analysis), dailyCommunityPulse (24h crypto news), tvl_info (DeFi TVL analytics), fees_info (protocol fees data), defillama_protocols_info (DeFi protocols info), messa
Baseapi.heyanon.ai
from $0.01
1 endpoint
0
calls / 30d
A
api.hashhunter.appOther services
Please use POST method with the appropriate request body to interact with this endpoint.
Baseapi.hashhunter.app
from $0.000001
1 endpoint
0
calls / 30d
X
x402 PingOther services
Cheapest possible paid call for testing an x402 client end to end. Returns pong plus server time. $0.001.
BaseSolanaapi.gptshopltd.com
from $0.001
1 endpoint
0
calls / 30d
Gloom DatasetsMarkets & finance
Gloom Datasets cpi.board: US CPI components, weights and contributions. 1 credit, $0.03 for this call.
Baseapi.gloom.sh
from $0.03
1 endpoint
0
calls / 30d
A
api.gitbeacon.devOther services
No description yet.
Baseapi.gitbeacon.dev
from $0.01
1 endpoint
0
calls / 30d
H
HirePulseSocial & people
Convert a public web page to clean LLM-ready Markdown with title, meta description and approximate token count. Removes scripts, styles, navigation, footer and common ad clutter. SSRF and redirect protected. max_chars 1–100000 (default 15000). $0.002; empty results free.
Baseapi.gethirepulse.xyz
from $0.002
11 endpoints
0
calls / 30d
A
api.g402.aiAI & agents
No description yet.
Baseapi.g402.ai
from $0.001
1 endpoint
0
calls / 30d
F
Fin Codes APIMarkets & finance
Validate and look up an IBAN using maintained banking reference data. Returns account structure, country, national bank/branch codes and the associated BIC/SWIFT where available. No account, API key or subscription required; x402 clients handle USDC payment automatically. Requests missing the iban field or containing other fields are rejected with HTTP 400 before payment. Price: $0.04 USDC per req
Baseapi.fincodesapi.com
from $0.01
4 endpoints
0
calls / 30d
A
api.ezannuity.orgOther services
A US state’s Structured Settlement Protection Act rules for selling settlement payments: waiting period, independent-advice rule, cancellation right, court, statute citations.
Baseapi.ezannuity.org
from $0.02
1 endpoint
0
calls / 30d
E
ExepalSearch & web
Prompt-injection scanner: checks a web page, document or tool result for hidden instructions aimed at AI agents (hidden HTML, white text, comments, Unicode smuggling, base64) and injection phrases; verdict, 0-100 score, findings, optional cleaned text
Baseapi.exepal.com
from $0.001
5 endpoints
0
calls / 30d
A
api.ethyai.appOther services
No description yet.
Baseapi.ethyai.app
from $0.50
1 endpoint
0
calls / 30d
Duo Data UtilitiesCrypto & DeFi
Compute a cryptographic digest of supplied data: SHA-256, SHA-384, SHA-512, SHA-1, SHA3-256, SHA3-512, Keccak-256, BLAKE2b-256 and BLAKE2b-512, plus HMAC with any of them. Input is UTF-8 text, base64 or hex bytes; output is hex, base64, base64url or base32. Returns the digest, the byte length of the input, and the exact algorithm identifier used.
Baseapi.duoleads.com
from $0.05
33 endpoints
0
calls / 30d
A
api.dev.hypercli.comOther services
HyperClaw plan purchase (variable amount, prorated by payment)
Baseapi.dev.hypercli.com
from $0.01
3 endpoints
0
calls / 30d
A
api.demandex.devOther services
No description yet.
Baseapi.demandex.dev
from $0.01
3 endpoints
0
calls / 30d
A
api.crushrewards.devOther services
Analyst/market-level query - $0.02 per request
BaseSolanaapi.crushrewards.dev
from $0.005
26 endpoints
0
calls / 30d
A
api.compute3.aiAI & agents
No description yet.
Baseapi.compute3.ai
from $0.01
1 endpoint
0
calls / 30d
A
api.climateassured.comData & research
SB 253 / California climate reporting coverage verdict from the ClimateAssured rule tree (likely covered or not, with reasons). Informational only; verify with CARB. Free human checker at climateassured.com/am-i-covered/
Baseapi.climateassured.com
from $0.05
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.