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Every paid API an agent can call

One index of every x402 endpoint we can find — what it costs, whether it works, and who gets paid.

20,382 endpoints · 2,974 providers · median call $0.010

Selling one yourself? List your API — you keep 100% of every run's profit.

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Featured services

Listed by more than one independent directory, and graded by x402-list.com's automated checks. One per seller.

Ranked on other people's measurements, not ours.

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Itsgloria · News Ticker Summary
A
api.itsgloria.ai

Get a 24-hour news summary for a specific token/ticker, combining internal news data with web search results. Returns decision-grade bullet points for fund managers and trading agents.

GETBaseMarket data & DeFi
2 calls / 30d · 100% up$0.03
Otto AI
A
x402.ottoai.services

Historical crypto market event summaries (up to 30 days, optional 'limit' query parameter)

BaseAI & inference
100% up$0.001
Origin Header Normalize · Origin Header Normalize
A
api.delx.ai

Origin Header Normalize: Origin Header Normalize normalizes scheme, host, and effective port from an Origin value from bounded caller-supplied values without an external provider. Call Origin Header Normalize before accepting, caching, redirecting, or retrying a caller-supplied web response. Returns normalized web evidence, the computed finding, and an explicit pass or advisory status for Origin Header Normalize as versioned deterministic JSON. Price: $0.001 USDC via x402 on Base. First-party,…

POSTBaseSearch & web
1 calls / 30d · 100% up$0.001
Payapi · Emissions
A
vehicle.payapi.market

UK vehicle CO2 emissions and engine data by registration plate.

POSTBaseEverything else
3 calls / 30d · 100% up$0.001
StableSocial · User Posts
A
stablesocial.dev

Scrape Creators · Kwai — User Posts

POSTBaseEverything else
2 calls / 30d · 100% up$0.06
Nansen · TGM Historical Token Quant Scores
A
api.nansen.ai

Get Historical Token Quant Scores (Beta)

POSTBaseOnchain
1 calls / 30d · 100% up$0.25
Forgemesh · Intent Demand
A
ads.forgemesh.io

Returns demand depth for one category: probe volume, distinct sources, buyer-class share, probed price points, and a daily time series. Use it to validate pricing before launching in that category.

GETBaseEverything else
1 calls / 30d · 100% up$0.02
PayPerByte · Feeds PKG Verdict
A
x402.payperbyte.io

Signed ALLOW/WARN/BLOCK on installing a package@version: OSV.dev malicious-corpus + typosquat distance + registry signals. Verify before you install.

POSTBaseOnchain
1 calls / 30d · 100% up$0.10

Most used

Paid calls over the last 30 days, from more than one wallet. One per seller.

Call counts measured by x402.new - their figures, not ours.

See the ranking →
StableEnrich · EXA Search
✓ curatedA
stableenrich.dev

Exa Search - Neural search across the web

POSTBaseSearch & web
41.6k calls / 30d · 100% up$0.01
Twit · Tweets Search
A
x402.twit.sh

Search Twitter/X tweets with advanced filters. Returns up to 20 tweets per page, most recent first, with pagination. At least one filter required. Params: words, phrase, anyWords, noneWords, hashtags, from, to, mentioning, minReplies, minLikes, minReposts, since (YYYY-MM-DD), until, next_token. e.g. GET /tweets/search?words=bitcoin&from=elonmusk&minLikes=100. Returns X v2 API-compatible JSON.

GETBaseSearch & web
9.1k calls / 30d · 100% up$0.006
Sniperx · Activities Smarttraders Smartmoney
A
x402.sniperx.fun

Get SmartMoney trading activities on token (sorted by time descending)

GETSolanaOnchain
6.4k calls / 30d · 100% up$0.02
Exa · Search
✓ curatedA
api.exa.ai

Exa /search endpoint

POSTBaseSearch & web
5.8k calls / 30d · 100% up$0.007
StableTravel · Seats Aero Search
✓ curatedA
stabletravel.dev

Search cached Seats.aero award availability by origin, destination, dates, cabin, carriers, and pagination.

GETBaseSearch & web
5.1k calls / 30d · 100% up$0.02
Oneshotagent · Verify Email
win.oneshotagent.com

Email deliverability verification

POSTBaseData & enrichment
4.3k calls / 30d$0.001
glim.sh · Twitter Search
A
glim.sh

Search tweets with advanced operators (recommended). Body param is `query` (not q), e.g. {"query":"from:elonmusk AI min_faves:100"}

POSTBaseSearch & web
4.1k calls / 30d · 100% up$0.005
Deepnets · Token Safety
A
api.deepnets.ai

Token safety analysis for a Solana mint: overall risk level, wallet-network concentration, bundle detection, mintable/freezable flags, critical risks, and warnings. Returns the most recent cached analysis.

GETSolanaOnchain
3.0k calls / 30d · 100% up$0.01

Published on AMNT

Built here and owned by their creator. On every run the profit splits 70 to the creator, 25 to Amnt, 5 to whoever built the block it uses.

See all ours →
GPT Image 1 Mini High
on AMNT
@amnt

GPT Image 1 Mini, high quality: text to picture. The cheapest. Quick drafts and simple pictures. Square 1024x1024, transparent PNG or JPEG. $0.034, about 25 s.

POSTBaseImages
5 runs · creator keeps 100%$0.03
GPT Image 1 Mini Medium
on AMNT
@amnt

GPT Image 1 Mini, medium quality: text to picture. The cheapest. Quick drafts and simple pictures. Square 1024x1024, transparent PNG or JPEG. $0.009, about 25 s.

POSTBaseImages
4 runs · creator keeps 100%$0.009
GPT Image 1 Mini Low
on AMNT
@amnt

GPT Image 1 Mini, low quality: text to picture. The cheapest. Quick drafts and simple pictures. Square 1024x1024, transparent PNG or JPEG. $0.003, about 15 s.

POSTBaseImages
4 runs · creator keeps 100%$0.003
GPT Image 1.5 High
on AMNT
@amnt

GPT Image 1.5, high quality: text to picture. Clean flat art: logos, icons and stickers. Square 1024x1024, transparent PNG or JPEG. $0.138, about 25 s.

POSTBaseImages
4 runs · creator keeps 100%$0.14
GPT Image 1.5 Medium
on AMNT
@amnt

GPT Image 1.5, medium quality: text to picture. Clean flat art: logos, icons and stickers. Square 1024x1024, transparent PNG or JPEG. $0.039, about 15 s.

POSTBaseImages
4 runs · creator keeps 100%$0.04
GPT Image 1.5 Low
on AMNT
@amnt

GPT Image 1.5, low quality: text to picture. Clean flat art: logos, icons and stickers. Square 1024x1024, transparent PNG or JPEG. $0.013, about 15 s.

POSTBaseImages
4 runs · creator keeps 100%$0.01
GPT Image 2.5 Sunburst Medium
on AMNT
@amnt

GPT Image 2.5 Sunburst, medium quality: text to picture. Precise: every detail lands where you ask. Any shape up to 3:1, transparent PNG or JPEG. $0.015, about 25 s.

POSTBaseImages
4 runs · creator keeps 100%$0.01
GPT Image 2.5 Sunburst Low
on AMNT
@amnt

GPT Image 2.5 Sunburst, low quality: text to picture. Precise: every detail lands where you ask. Any shape up to 3:1, transparent PNG or JPEG. $0.008, about 25 s.

POSTBaseImages
4 runs · creator keeps 100%$0.008
GPT Image 2.5 Flare High
on AMNT
@amnt

GPT Image 2.5 Flare, high quality: text to picture. Fast, bold and vivid. Great characters. Any shape up to 3:1, transparent PNG or JPEG. $0.054, about 25 s.

POSTBaseImages
4 runs · creator keeps 100%$0.05
GPT Image 2.5 Flare Medium
on AMNT
@amnt

GPT Image 2.5 Flare, medium quality: text to picture. Fast, bold and vivid. Great characters. Any shape up to 3:1, transparent PNG or JPEG. $0.015, about 20 s.

POSTBaseImages
4 runs · creator keeps 100%$0.01
GPT Image 2.5 Flare Low
on AMNT
@amnt

GPT Image 2.5 Flare, low quality: text to picture. Fast, bold and vivid. Great characters. Any shape up to 3:1, transparent PNG or JPEG. $0.008, about 20 s.

POSTBaseImages
4 runs · creator keeps 100%$0.008
GPT Image 2 Low
on AMNT
@amnt

GPT Image 2, low quality: text to picture. Sharp detail, faces and readable text. The all-rounder. Any shape up to 3:1, transparent PNG or JPEG. $0.008, about 20 s.

POSTBaseImages
4 runs · creator keeps 100%$0.008

Recently updated

The seller changed something - a new price, a rewritten description, a new path.

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Sniperx · Activities Smarttraders Smartmoney
A
x402.sniperx.fun

Get SmartMoney trading activities on token (sorted by time descending)

GETSolanaOnchain
6.4k calls / 30d · 100% up$0.02
Nsgoods · Screen
A
sanctions.nsgoods.org

Signed multi-chain OFAC SDN address screening (USDC on Base or Solana)

GETBaseOnchain
57 calls / 30d · 100% up$0.005
0000402 · Care Feed
omniguchi.0000402.xyz

Restore Hunger for an active Omniguchi. Any verified payer may care for any hatched target.

POSTBaseNews & content
68 calls / 30d$0.01
Chain · Operations
agents.chain.link

Chainlink For Agents: execute a catalog workflow by workflow name.

POSTBaseOnchain
36.3k calls / 30d$0.01
Hugen · Tick Symbols
A
tick.hugen.tokyo

List all available FX symbols with their current quality state and source count. AI agent API for discovering available instruments before subscribing to tick data. Accepts USDC payments on Base and Solana

GETBaseEverything else
144 calls / 30d · 100% up$0.005
Chain · Operations Submit
agents.chain.link

Chainlink For Agents: submit a signed operation payload.

POSTBaseOnchain
16.1k calls / 30d$0.002
Sniperx · Activities Smarttraders Whale
A
x402.sniperx.fun

Get Whale trading activities on token (sorted by time descending)

GETSolanaOnchain
1.6k calls / 30d · 100% up$0.02
Onrender · Signals
quotient-api-gateway.onrender.com

Use this to scan Quotient's published prediction-market signals on Polymarket International, Polymarket US, Kalshi, and Limitless: side, entry YES price, latest Q probability and thesis, conviction, the forecast_status gauge with its standing adverse move, upside to Q, and capacity — one signal per market. A signal is active or retired; a missing live quote drops a row from the feed, and a caution/warning forecast_status marks an adverse move, never hides the row.

GETBaseEverything else
63 calls / 30d$0.01

Recently added

First seen by any of the four directories we merge.

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Stock Trends Market Intelligence · Indicators History
A
api.stocktrends.com

Historical weekly Stock Trends indicator series for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.

GETBaseMarket data & DeFi
0 calls / 30d · 100% up$0.01
Stock Trends Market Intelligence · Indicators Latest
A
api.stocktrends.com

Latest Stock Trends indicator snapshot for a symbol. Stock Trends indicators are part of a multi-decade classification framework with records extending back to 1980. Their value comes from consistent semantics across market history: trend state, trend persistence, relative performance, relative performance direction, and volume activity are encoded in a stable doctrine designed for longitudinal research.

GETBaseMarket data & DeFi
0 calls / 30d · 100% up$0.0035
Stock Trends Market Intelligence · Prices Latest
A
api.stocktrends.com

Latest weekly price row for a Stock Trends symbol, including adjusted close, weekly high/low, volume (actual shares traded), trades, and price change.

GETBaseMarket data & DeFi
0 calls / 30d · 100% up$0.0025
Stock Trends Market Intelligence · Stim History
A
api.stocktrends.com

Historical ST-IM forward return distribution series for a symbol. Use /v1/meta/stim for ST-IM provenance, base-period context, and interpretation limits.

GETBaseMarket data & DeFi
0 calls / 30d · 100% up$0.0075
Trycloudflare · Price
starring-generated-forests-trader.trycloudflare.com

Single-pair crypto lookup: price in USDC, composite signal score (-100..+100), ATR% and reasons. Path param is the Coinbase pair id, e.g. /price/BTC-USDC.

GETBaseMarket data & DeFi
0 calls / 30d$0.001
Trycloudflare · Signals
starring-generated-forests-trader.trycloudflare.com

Ranked crypto signal scores for 20 USDC pairs on Coinbase (score -100..+100, price, ATR%, reasons). AI-operated, disclosed. Updated every 10 min.

GETBaseEverything else
0 calls / 30d$0.001
Unique Identifiers (UUID + ULID) · Decode
id.openverbs.com

Validate a ULID and extract its embedded timestamp and time/random components.

POSTBaseEverything else
0 calls / 30d$0.002
Unique Identifiers (UUID + ULID) · Inspect
id.openverbs.com

Validate a UUID and report its version and variant.

POSTBaseEverything else
0 calls / 30d$0.002

Uptime and compliance: x402-list.com (CC BY 4.0). Safety scores: x402.direct. Call and payer counts: x402.new.

Sell what you know how to ask for

Describe the job once and it becomes something anyone - or any machine - can hire. Free to publish. After the AI cost, you keep 100% of every run.

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