x402 Bazaar

12,998 APIs

Showing 100 of 100 loaded APIs

Base$0.0011POSTv1

Token Price

public.zapper.xyz

Get real-time token price and market cap

Input:

{"address":{"description":"The 0x contract address","required":true,"type":"string"},"chainId":{"des...
Just now
Base$0.0045POSTv1

Nft Ranking

public.zapper.xyz

Get a ranked list of NFT collections based on rading activity and collection popularity, optionally tailored for a farcaster user.

Input:

{"after":{"description":"Cursor for pagination (get results after this cursor)","required":false,"ty...
Just now
Base$0.0011POSTv1

Defi Balances

public.zapper.xyz

Get DeFi balances (Liquidity Pools, Yield Farming, Lending, etc.) for a single address, or a list of addresses.

Input:

{"addresses":{"description":"Array of 0x wallet addresses to aggregate","items":{"description":"A 0x...
Just now
Base$0.0011POSTv1

Historical Token Price

public.zapper.xyz

Get the price of a token at a specific point in time.

Input:

{"address":{"description":"The 0x contract address of the token","required":true,"type":"string"},"c...
Just now
Base$0.0011POSTv1

Nft Token Metadata

public.zapper.xyz

Get detailed metadata, traits, media, and holder info for a specific NFT

Input:

{"chainId":{"description":"The Chain ID (e.g. 1 for Mainnet, 8453 for Base)","required":true,"type":...
Just now
Base$0.0011POSTv1

Token Balances

public.zapper.xyz

Get detailed token balances for a single address, or a list of addresses, optionally filtering by chain.

Input:

{"addresses":{"description":"Array of 0x wallet addresses to aggregate","items":{"description":"A 0x...
Just now
Base$0.0011POSTv1

Nft Collection Metadata

public.zapper.xyz

Get NFT collection data including market stats, holders, events, and a sample of NFTs.

Input:

{"collections":{"description":"Array of collection inputs containing address and chainId","items":{"...
1m ago
Base$0.0045POSTv1

Token Ranking

public.zapper.xyz

Get a ranked list of tokens based on swap activity and velocity of adoption, optionally tailored for a farcaster user.

Input:

{"after":{"description":"Cursor for pagination (get results after this cursor)","required":false,"ty...
1m ago
Base$0.0011POSTv1

Nft Balances

public.zapper.xyz

Get individual NFT balances and estimated values for a single address, or a list of addresses.

Input:

{"addresses":{"description":"Array of 0x wallet addresses to scan","items":{"description":"A 0x wall...
1m ago
Base$0.0019POSTv1

Portfolio Totals

public.zapper.xyz

Get aggregated portfolio totals (Tokens, Apps, NFTs) broken down by network for a single address, or a list of addresses.

Input:

{"addresses":{"description":"Array of 0x wallet addresses to aggregate","items":{"description":"A 0x...
1m ago
Base$0.0011POSTv1

Transaction Details

public.zapper.xyz

Get human-readable interpretation, metadata, and balance changes for a specific transaction.

Input:

{"chainId":{"description":"The Chain ID where the transaction occurred","required":true,"type":"inte...
1m ago
BaseSolana$0.05POSTv2

Netflow

api.nansen.ai

Get Smart Money Netflow Data

Input:

{"chains":["ethereum","solana"],"filters":{"exclude_smart_money_labels":["30D Smart Trader"],"includ...
2m ago
Base$0.0011POSTv1

Token Holders

public.zapper.xyz

Get token holders with balances and identity information for a specific token.

Input:

{"address":{"description":"Token contract address (0x...)","required":true,"type":"string"},"after":...
3m ago
Base$0.0011POSTv1

Transaction History

public.zapper.xyz

Get transaction history with interpretations and metadata for a single address, or a list of addresses.

Input:

{"after":{"description":"Cursor for pagination","required":false,"type":"string"},"chainIds":{"descr...
3m ago
Base$0.0011POSTv1

Account Identity

public.zapper.xyz

Get social identity (ENS, Farcaster, Lens, Basenames) for a specific address.

Input:

{"address":{"description":"The 0x wallet address to resolve identity for","required":true,"type":"st...
4m ago
BaseSolanaFreeGETv2

Ai Agent Skips Process Learns Why Documentation Workflow Exists

codex.everygoodwork.io

/0x1C1Ee78b938Af5333D3a99BF659e9aa771d8A8D5/ai-agent-skips-process-learns-why-documentation-workflow-exists - x402 Endpoint

5m ago
BaseSolanaFreeGETv2

Cloudflare Analytics Ai Scrapers Fake Human Traffic Bot Score Detection

codex.everygoodwork.io

/0x1C1Ee78b938Af5333D3a99BF659e9aa771d8A8D5/cloudflare-analytics-ai-scrapers-fake-human-traffic-bot-score-detection - x402 Endpoint

5m ago
BaseSolanaFreeGETv2

Cloudflare Workers Rpc Proxy Traps Function Call Fix With Reflect Apply

codex.everygoodwork.io

/0x1C1Ee78b938Af5333D3a99BF659e9aa771d8A8D5/cloudflare-workers-rpc-proxy-traps-function-call-fix-with-reflect-apply - x402 Endpoint

5m ago
BaseSolanaFreeGETv2

Self Healing Update Omarchy Hyprland

codex.everygoodwork.io

Three failures during an Omarchy update revealed deeper patterns. We didn't just fix them — we built a system that fixes itself automatically.

5m ago
BaseSolanaFreeGETv2

Every Token Is A Liability Pruning Context Window

codex.everygoodwork.io

Peter Hammond is the author of Every Token Is a Liability. The article is about pruning the Context Window You Forgot You Were Paying For.

5m ago
BaseSolanaFreeGETv2

Code Mode Cloudflare Compressed 2500 Api Endpoints 1000 Tokens

codex.everygoodwork.io

Cloudflare's Code Mode turns 2,500 API endpoints into 1,000 tokens. The protocol designed to unlock capabilities had to be architecturally circumvented. Code Mode is a standard, auth, tool discovery pattern within MCP.

5m ago
Base$0.0045POSTv1

Search

public.zapper.xyz

Search for ERC20 tokens, NFTs, Users, Apps, or Gas Tokens.

Input:

{"categories":{"default":["ERC20_TOKEN"],"description":"Filter results by category. Defaults to ERC2...
5m ago
BaseSolanaFreeGETv2

The Shared Key How One Oauth Client Id Nearly Made Revocation Impossible

codex.everygoodwork.io

The Shared Key is a key that lets you revoke tokens of a single OAuth session without deleting all the others. The key was hardcoded into a single, pre-seeded client called 'creator-cli' The key is a unique, unique, scoped, unique client named 'creator' Every browser session, every CLI login, every AI agent — they all shared this one `client_id'

5m ago
BaseSolanaFreeGETv2

Stop Chasing Your Tails Three Bugs Hiding Behind One Symptom

codex.everygoodwork.io

The price pipeline was not working. The AI was generating theories faster than we could test them. The real bug was sitting in a one-line comment you wrote months ago.

5m ago
BaseSolanaFreeGETv2

How Four Parallel Ai Agents Red Teamed Oauth Found Eight Vulnerabilities

codex.everygoodwork.io

Four AI agents running parallel security audits found what sequential human review missed. Vulnerabilities included upload IDOR, EIP-55 case mismatch, optional PKCE, and unvalidated scopes. All fixed in +41/-22 lines.

5m ago
BaseSolanaFreeGETv2

Stop Wasting Ai Tokens On Deterministic Tasks Build Local Rust Tools Instead

codex.everygoodwork.io

The story of how a deterministic workload disguised itself as an AI task for five months. The AI that did the work wrote the prompt that built the Rust binary that made itself unnecessary. The real tool was waiting to be built.

5m ago
BaseSolanaFreeGETv2

Ai Caught Binary Docx In Git Commit Converted To Markdown Automatically

codex.everygoodwork.io

A commit workflow paused to think when a .docx file broke three project conventions. The AI flagged it, converted it to diffable markdown with zero dependencies, and the commit landed clean.

5m ago
BaseSolanaFreeGETv2

Oauth Empty Subject Privilege Escalation Bypass Cloudflare Workers Red Team Fix

codex.everygoodwork.io

Security fix broke agent authentication. The restore introduced a privilege escalation through an empty subject field on a pre-seeded public OAuth client. Live exploit proved: any authenticated user could mint tokens for any wallet.

5m ago
BaseSolanaFreeGETv2

Why Ai Agents Ignore Instructions And Adding More Rules Wont Fix It

codex.everygoodwork.io

The Infinite Instruction Loop: Why Your AI Agent Keeps Breaking The Same Rule. The problem is that an agent that ignores instruction N will also ignore instruction N+1. The solution is to add more instructions.

5m ago
BaseSolanaFreeGETv2

Refactoring Ai Generated Spaghetti Code Rust Cloudflare Workers Routing Structure

codex.everygoodwork.io

Every curl request with a Bearer token returned 302 to login. Headless clients had tokens, not cookies, and the routing structure made the API unroutable. The routing layer had become so tangled that where a route lived in the code determined what auth it required. This is what AI-generated code does when you don't interrogate every line.

5m ago
BaseSolanaFreeGETv2

Cloudflare Zero Trust Transient Auth 5000 Users 50 Seats Two Lines Rust

codex.everygoodwork.io

Cloudflare Zero Trust has a 50-seat limit. The fix: treat Zero Trust as a verification gateway, not a session manager. Occupy the seat for six seconds, not six months. 633 lines collapsed to 2 lines in the caller. Cost: zero dollars.

5m ago
BaseSolanaFreeGETv2

How To Merge Two Valuable Systems Without Losing Either Strategic Upgrade Pattern

codex.everygoodwork.io

Merging Truth: The Story Architect Upgrade is a new book by Peter Hammond and Claude Claude. The goal is to create a 600-line skill that can handle any storytelling input type while preserving specialized excellence.

5m ago
BaseSolanaFreeGETv2

Rust Macros Eliminate Sqlite Binding Friction Cloudflare Workers Zero Runtime Cost

codex.everygoodwork.io

Rust's SQLite binding required all parameters to be the same type due to a generic constraint. D1 (Cloudflare's distributed SQL) doesn't have this problem. Their `bind()` just works with mixed types. We built a compile-time macro that handles the conversion automatically.

6m ago
Base$0.05POSTv1

Entity Sentiment

x402.slinkylayer.ai

Accepts JSON input and analyzes the sentiment expressed about entities within the provided text using Google as the provider.

8m ago
Base$0.0050GETv1

Crypto

httpay.xyz

Latest crypto headlines from aggregated RSS feeds

10m ago
Base$0.01GETv1

Mev Scanner

httpay.xyz

MEV Scanner — detects MEV activity (sandwich attacks, arbitrage) in recent blocks by analyzing swap density and transaction patterns. Params: ?chain=base&blocks=10. Demo: ?demo=true.

10m ago
Base$0.01GETv1

Lending Liquidation Sentinel

httpay.xyz

Lending Liquidation Sentinel — finds Aave V3 positions on Base close to liquidation. Returns positions with health factor below threshold, with collateral/debt breakdown and estimated liquidation profit. Supports ?protocol=aave&chain=base&threshold=1.1&demo=true.

10m ago
Base$0.0040POSTv2

Verify

verify.agentutil.net

Fact verification — returns verdict, confidence, current truth

Input:

{"claim":"The capital of France is Paris"}
29m ago
Base$0.0020POSTv2

Check

undo.agentutil.net

Before deleting or modifying data on Gmail, Shopify, Stripe, and 17 other platforms -- check if the action can be undone, get recovery windows, and find safer alternatives

Input:

{"action":"delete","count":500,"platform":"gmail","resource":"email","scope":"batch"}
29m ago
Base$0.0020POSTv2

Check

think.agentutil.net

Intent security — pre-flight safety checklist with severity-ranked checks, risk factors, and domain-specific considerations before any high-risk agent action

Input:

{"action":"delete_records","description":"Delete all customer records where last_login > 2 years ago...
29m ago
Base$0.0020POSTv2

Check

norm.agentutil.net

Is this expense, salary, or other common metric normal? Sanity-check values against real-world benchmarks (BLS, IRS, GSA data) to flag anomalies before they become problems

Input:

{"category":"expense:travel:hotel_nightly","region":"US","unit":"USD","value":450}
29m ago
Base$0.0020POSTv2

Lookup

docs.agentutil.net

Retrieve a specific documentation page by ID. Returns the full chunked content — use after /query to get complete context for a relevant result.

Input:

{"page":"productVariantCreate","platform":"shopify","type":"mutation"}
29m ago
Base$0.0010POSTv2

Time

context.agentutil.net

Is it business hours there? Quick timezone and holiday check for any country -- avoid midnight emails and holiday-weekend disruptions

Input:

{"country":"NZ","timezone":"Pacific/Auckland"}
29m ago
Base$0.0020POSTv2

Platform

context.agentutil.net

Is GitHub, AWS, or Stripe up right now? Check platform status before triggering deployments or API-dependent workflows

Input:

{"platform":"github"}
29m ago
Base$0.0030POSTv2

Check

context.agentutil.net

Should I take this action right now? Checks timezone, holidays, business calendar, and platform status across 11 countries before sending emails, deploying code, or running campaigns

Input:

{"action":"send_marketing_email","country":"US","date":"2026-12-25","description":"Send promotional ...
29m ago
Base$0.05POSTv1

Text Anonymize

x402.slinkylayer.ai

Accepts JSON input and anonymizes sensitive information in the provided text using the selected provider (Azure or others).

1h ago
Base$0.10POSTv1

Content Detect Spam

x402.slinkylayer.ai

Detect whether the provided content is spam and return a confidence score along with additional details.

1h ago
Base$0.0050GETv1

Gas Tracker Advanced

httpay.xyz

Advanced Gas Tracker for Base — historical gas analysis with 1h/6h/24h averages, percentiles (P25/P50/P75/P95), min/max, trend detection (rising/falling/stable), and best time to transact prediction. Supports ?chain=base&hours=24&demo=true.

1h ago
Base$0.0050GETv1

Fresh Markets Watch

httpay.xyz

Fresh Markets Watch — newly created DeFi pools/markets sorted by APY with TVL, protocol, token pair, and risk warnings for new pools. Supports ?chain=base&hours=24&demo=true.

1h ago
Base$0.02GETv1

Yield Finder

httpay.xyz

Find the best yield opportunities (simulated)

1h ago
Base$0.02GETv1

Twitter Sentiment

httpay.xyz

Approximate Twitter/X sentiment for a query via web search

1h ago
Base$0.01POSTv2

Vote

emoji.today

Cast a paid vote for today's emoji election on emoji.today

Input:

{"emoji":"🔥","fid":1090409,"signature":"0x..."}
3h ago
BaseSolana$0.01GETv2

Pools

pro-api.coingecko.com

Search onchain DEX pools and token, by contract address, name, or token symbol.

Input:

{"include":"base_token","network":"eth","page":1,"query":"weth"}
4h ago
BaseSolana$0.01GETv2

So11111111111111111111111111111111111111112

pro-api.coingecko.com

Query onchain DEX token price & market data based on the provided token contract addresses on a network.

Input:

{"include_24hr_price_change":true,"include_24hr_vol":true,"include_inactive_source":true,"include_ma...
4h ago
Base$0.0050POSTv1

Joke

nickeljoke.vercel.app

Premium AI joke generation

5h ago
Base$0.0020POSTv2

Lookup

undo.agentutil.net

Quick pre-flight check: can this action be undone? Returns reversibility level, recovery window, and the safest alternative for any platform action

Input:

{"action":"delete","platform":"shopify","resource":"product"}
5h ago
Base$0.0010POSTv2

Batch

norm.agentutil.net

Batch anomaly detection -- check up to 100 expenses, salaries, or metrics against real-world benchmarks in one request

Input:

{"items":[{"category":"expense:travel:hotel_nightly","unit":"USD","value":450},{"category":"expense:...
5h ago
Base$0.0050POSTv1

Add

x402-ai-starter.vercel.app

Access to protected content

5h ago
Base$0.0010GETv1

Bafkreifqwob76i3msvcy7i5cevl7vjuode2kezzumvjxudnoarbuvwnw3y

peach.mypinata.cloud

No description available

5h ago
Base$0.0010POSTv1

Testnet

x402-demo-discovery-endpoint.vercel.app

Testnet demo endpoint for x402 resource discovery

5h ago
Base$0.02GETv1

75

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Inventory

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Wm

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Mrk

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Intc

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Itw

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Nee

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Orcl

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Ge

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Intu

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Pg

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Users

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Ibm

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Ibm

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Mmc

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Vrtx

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

History

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Jpm

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Earnings

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Tgt

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Earnings

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Duk

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

1inch

lowpaymentfee.com

Premium API Access

8h ago
Base$0.02GETv1

Price

lowpaymentfee.com

Premium API Access

8h ago

🤖 For AI Agents

This page is machine-readable. Access the x402 Bazaar programmatically:

GET https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources

Returns JSON with discoverable APIs, their schemas, pricing, and payment info.