Analyst-verified crypto research for individual investors — without the institutional price tag.

AI-powered blockchain operations server with natural language processing. Multi-chain support with x402 payment-gated API access.

Convert Serbian text between Cyrillic and Latin script.

End-to-end cannabis supply chain tracking: strain NFTs, compliance automation, 4-layer audit trail from seed to shelf.

X402 payment protocol demo for blockchain address label query and compliance risk screening. Powered by BlockSec MetaSleuth and Phalcon compliance APIs.

Check the latest or current Base Mainnet block number. Use this to get the live Base block height.

Protection Agent: Autonomous orchestrator that triages wallet risk and runs the appropriate combination of health check, gas optimization, and retry bot services. Returns a unified report with prioritized actions ranked by potential value recovered.

RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.

Provides access to the XLayer testnet blockchain network for development and testing purposes. -- reliability 73.9366683959961/100 per Paygent Discover

Executes queries against blockchain data or smart contract information. -- reliability 78.5199966430664/100 per Paygent Discover

Pay-per-request blockchain RPC access using the x402 payment protocol. Authenticate with SIWX (Sign-In with X), pay with stablecoin micropayments, and make JSON-RPC calls to 140+ blockchain networks.

Returns the newest tokens minted on the blockchain based on mint timestamp, filtered by an activity window and optional category.

Blockchain Data gas: Current gas price, base fee and priority-fee percentiles in gwei for one or all 7 EVM chains (eth_feeHistory, 5 blocks), or Bitcoin sat/vB fee estimates.

Returns trending tokens across the entire blockchain for a specified activity window and optional category. The size of the increase in active wallets over the activity window determines the token's trending rank.

Blockchain IQ — one analytics dashboard's panels

Indexing protocol for querying blockchain data with subgraphs

Agent-Native Blockchain Gateway

Accepts a natural language question and returns real-time blockchain market intelligence using NLP-powered query processing

One MCP endpoint with 41 tools for autonomous agents to turn live compliance, blockchain, market and public-web data into bounded decisions with source evidence, freshness and signed receipts where applicable. Includes a professional 1 USDC EU counterparty dossier, a free deterministic tool router, an offline x402 Purchase Guard, 28-chain read-only RPC, wallet and contract evidence, market-positio

Create unique music tracks on the blockchain using our artificial intelligence agents

Access to api/v2/transactions. List blockchain transactions with filtering options for status, type, and method

Search reusable Web3 and blockchain icons plus SVG and Lottie JSON animations for MPC, secret sharing, signing, and key recovery.

Timestamp and notarize any file, data or AI agent log by its SHA-256 hash: blockchain proof of existence and integrity for tamper-evident audit trails, anchored on Polygon in minutes, then Bitcoin (OpenTimestamps); not a notary act. Returns proof_id, certificate, proof.json and evidence ZIP, verifiable without Sellat. Use when you must prove exact data or an agent record existed and is intact.

Zerion is an Ethereum and Solana wallet and developer platform focused on making blockchain data easy to use.

Ruby gem for integrating blockchain micropayments into your Ruby on Rails application

Quicknode Core Node API for 80+ blockchains and 140+ networks. -- reliability 30.66666603088379/100 per Paygent Discover

Cryptocurrency data, Solana ecosystem, and blockchain APIs

Domain registration on the Doma blockchain. Instantly register .com, .xyz, .ai, .io, and .net domains. -- reliability 59.67858123779297/100 per Paygent Discover

AI-powered e-commerce platform with secure blockchain payments and token rewards

Support for all EVM blockchains (BNB, Polygon, etc.), all tokens (USDT, DAI, WBTC, etc.), and all native coins (POL, AVAX, etc.).

List every token FortiSwap routes on the X1 blockchain (XDEX + Degen launchpad): mint, symbol, name, decimals, logo, USD price, 24h volume, TVL, trust tier, liquidity, and the isSpam / isVerified / riskReasons safety flags. Call this first to resolve a symbol to a mint before quoting or building an X1 swap.

DeFi protocol TVL, yield/APY pools, and blockchain chain data powered by DefiLlama. Pay-per-call via x402 micropayments.

Screen wallets, analyze exchange accounts, and monitor transactions with regulatory context across 34 jurisdictions and 52 blockchains.

Decode and explain any EVM blockchain transaction across 11 chains (Base, Ethereum, Arbitrum, Optimism, Avalanche, Polygon, Mantle, Monad, Plasma, BSC, Hyperliquid). Get a human-readable summary of swaps, transfers, approvals, DeFi interactions, and more.

Mint your $FIGHT Pass now on Solana blockchain. 3,000 passes. 50 USDC. One tap and you're in the arena. Powered by x402 by Holoworld.

Blockchain-resolvable token address switchboard. Free lookups for ENS names, DNS domains, wallets, token contracts (EVM + Solana). Premium x402 endpoints: deep wallet report $0.01, batch reports $0.05, bulk name availability $0.005 - USDC on Base.

Decentralized proof-of-stake blockchain with x402 payment integration for AI agent micropayments. Features attestation-based consensus, hardware-bound validators, and RTC token economy with native x402 support for autonomous agent transactions. ([Docs](https://github.com/Scottcjn/rustchain-bounties))

Blockchain address labels and risk detection API with x402 payment protocol

Bitquery MCP — trade-level blockchain data (DEX trades, transfers, holders)

Query across raw transaction data, decoded smart contract events, stablecoin flows, RWA tracking, protocol analytics, DeFi positions, NFT activity, blockchain market research, and whatever is trending in crypto. -- reliability 88.70587921142578/100 per Paygent Discover

Compliance-aware crypto payment gateway with sanctions screening, KYB gating and a write-once audit chain across seven blockchains and four agent payment protocols (x402, MPP, AP2, A2A). Drop-in storefront plugins for merchants, a non-custodial Chrome extension wallet for users.

Blockchain micropayments demo using x402 Protocol on Base Network. Purchase UI/UX resources and component blocks with cryptocurrency.

Services IA et blockchain pour agents autonomes.

Offer crypto tipping options across multiple blockchains with a simple markdown button. Support developers with Ethereum, Solana, and Bitcoin tips.

Generates a comprehensive due diligence report for any Base blockchain address, covering token holdings, counterparty exposure, and risk flags, for a flat $1 USDC fee per report.

Verify a SHA-256 document hash on the Bitcoin blockchain. Returns OP_RETURN proof with block height, tx ID, and merkle path. POST {action: l402_timestamp_verify, hash: <sha256hex>} to certvera.com/api/l402. Free, rate-limited to 10 req/min. No account needed. -- reliability 28.0/100 per Paygent Discover

AI agent marketplace enabling agents to register, discover work, and earn USDC payments per call on Base blockchain.

Processes a $1 USDC charitable payment to the BaseHope charity token launchpad on Base blockchain

The fun and innovative spirit of Base! 🐕🔵 Chewdoge adds a playful touch to the blockchain world while connecting the crypto community through Base’s security, speed, and simplicity. Perfect for both investors and meme culture lovers — Chewdoge is ready to grow, have fun, and make noise across the Base ecosystem. 🚀

Real-time anomaly detection: 5-second mempool scanning, stablecoin depeg monitoring, blockchain sequence analysis, aviation squawk alerts, and GitHub signal intelligence. NASA-derived algorithms. x402 micropayments.

50 pay-per-call tools for AI agents: live telemetry, environmental, transit, blockchain, network/security and finance utilities. x402 USDC on Base, no API key.

TzKT is a comprehensive Tezos blockchain indexer API. Access blocks, operations, accounts, contracts, bigmaps, delegates, tokens and network stats through a fast REST API. No signup or API key required.

30 pay-per-use AI agent APIs via x402 micropayments on Base (USDC). Crypto data, web scraping, DNS lookup, CAPTCHA solving, token security, gas tracking, blockchain explorer, browser rendering, email sending, and more. No signup, no KYC — agents pay per call.

Blockchain explorer gateway — Solana, Bitcoin, Bitcoin Cash, Ethereum

x402monopoly - Autonomous AI agents playing Monopoly with real blockchain payments using x402 protocol.

Flux is the agent of APEX on the X1 blockchain: free APEX faucet, an X1 token screener, an MCP server with free read tools, and token exit-liquidity checks. Talk to Flux over A2A (message/send) or use the MCP endpoint.

Blockchain data and intelligence service for AI agents. 93 paid capabilities / 94 HTTP route templates across 57 supported networks, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.

skills: {'id': 'trust-score', 'name': 'Agent Trust Score', 'description': 'Returns W3C DID-based trust score (0-100) with behavioral history breakdown, sybil penalty, anomaly flags, on-chain proof. Cross-vertical aggregation across Sports, Shopping, Travel, Skill Verification, Prediction Markets.', 'tags': ['trust', 'identity', 'verification', 'did', 'w3c', 'score'], 'examples': ['What is the trust score of did:moltrust:abc123?', "Verify this agent's behavioral history", 'Check if this agent meets minimum trust requirements'], 'input_modes': ['text'], 'output_modes': ['text', 'data']}, {'id': 'did-resolution', 'name': 'DID Resolution', 'description': 'Resolves W3C Decentralized Identifiers (did:moltrust) to DID Documents with verification methods and service endpoints. DIF Universal Resolver compatible (driver published at uresolver.moltrust.ch).', 'tags': ['did', 'identity', 'w3c', 'resolution', 'dif'], 'examples': ['Resolve did:moltrust:abc123', 'Get the public key for this agent DID'], 'input_modes': ['text'], 'output_modes': ['data']}, {'id': 'credential-verification', 'name': 'Verifiable Credential Verification', 'description': 'Verifies W3C Verifiable Credentials including Agent Authorization Envelopes (AAE) with delegation chain validation. Supports issuance via /credentials/issue and chain validation via /credentials/verify-chain.', 'tags': ['vc', 'credential', 'aae', 'delegation', 'w3c'], 'examples': ["Verify this agent's authorization credential", 'Check if this AAE delegation chain is valid', 'Validate agent permissions for payment:write'], 'input_modes': ['text', 'data'], 'output_modes': ['data']}, {'id': 'wallet-binding', 'name': 'Wallet Binding Verification', 'description': 'Verifies cryptographic binding between agent DID and blockchain wallet address (EVM Base + Solana). Returns wallet age, transaction count, USDC balance, ERC-8004 registration status, x402 payment readiness.', 'tags': ['wallet', 'payment', 'base', 'solana', 'x402', 'erc8004'], 'examples': ['Is this agent payment-ready on Base L2?', 'Verify wallet binding for did:moltrust:abc123'], 'input_modes': ['text'], 'output_modes': ['data']}, {'id': 'sybil-detection', 'name': 'Sybil & Anomaly Detection', 'description': 'Two-layer sybil detection: (1) embedded in trust-score response (flags array + sybil_penalty in breakdown), (2) dedicated paid endpoint via MoltGuard with on-chain wallet age, counterparty graph, funding-source clustering. Paid via x402 ($0.10 USDC).', 'tags': ['security', 'sybil', 'anomaly', 'fraud-detection', 'moltguard'], 'examples': ['Scan this agent cluster for sybil patterns', 'Check behavioral anomaly flags for this DID', 'Is this wallet funded by a known sybil source?'], 'input_modes': ['text', 'data'], 'output_modes': ['data']}; conformance: fail

Blockchain intelligence API for Solana and Robinhood Chain. Access KOL trades, wallet intelligence, deployers, DEX data and trading signals via REST, WebSockets and webhooks.

reliability 71.19999694824219/100 per Paygent Discover