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Agent & Infrastructure

1–24 of 2,971

x402.clashofcoins.com

x402.clashofcoins.com

84
score

Pays the dedicated onchain agent wallet via the canonical x402 funding route. Create the order first, then submit paid funding for that orderId. Unpaid discovery probes may send an empty JSON body to receive a canonical payment challenge, b

USDC Base

www.tip.md

www.tip.md

78
score

tip.md - Send USDC tips on base via x402 payment protocol with CDP disbursement

USDC Base

Exa

api.exa.ai

76
score

Neural web search and page-content retrieval for AI agents, paid per request with no API key.

USDUSDC BaseSolanaTempo

cheaptokens.ai

cheaptokens.ai

76
score

OpenAI-compatible LLM inference and chat completions via discounted Venice API credits. Pay USDC to receive a live Venice.ai API key for /api/v1 models, chat, images, audio, video, and embeddings. Same-Day credits are 30–90% below Venice direct and expire at 23:59 UTC; Prepaid API Keys support recurring agent jobs.

USDC Base

dripstack.com

dripstack.com

72
score

Paid JSON for stock-picker calls from financial newsletters and investing articles. Query params: optional `date=YYYY-MM-DD` for one UTC effective day, optional `period=latest` (same as default), optional `limit`. Default returns the latest UTC effective day with picks. Rows missing publication timestamps may use extractedAt for the effective day. Returns 404 when no picks exist for the day. The x402 amount is based on distinct attributed source posts returned.

USDC Base

x402.clashofcoins.com

x402.clashofcoins.com

72
score

Low-cost gateway health probe for real x402 settlement checks

USDC Base

x402lifeadvice.vercel.app

x402lifeadvice.vercel.app

70
score

Get one piece of thoughtful life advice, paid per request over x402.

USDC Base

ladyfortunalx402.vercel.app

ladyfortunalx402.vercel.app

69
score

Get a random fortune via x402 payment on Base mainnet.

USDC Base

x402.twit.sh/communities/members

x402.twit.sh

69
score

Get a paginated list of members belonging to a specific X Community. Returns full user profiles with community role (Admin, Moderator, Member). This endpoint has no equivalent in the official X API. Query params: id (string, required) - numeric community ID; next_token (string, optional) - pagination cursor, e.g. GET /communities/members?id=1693573582226665701. Returns X v2 API-compatible JSON.

BTCUSDC BaseLightning

x402.twit.sh/users/by/id

x402.twit.sh

69
score

Look up a single Twitter/X tweet by its numeric tweet ID. Returns full tweet data including text, author profile, creation date, engagement metrics (likes, retweets, replies, quotes, bookmarks), and referenced tweets. Query param: id (string, required) - numeric tweet ID, e.g. GET /tweets/by/id?id=1110302988. Returns X v2 API-compatible JSON.

BTCUSDC BaseLightning

x402-key.558686.xyz

x402-key.558686.xyz

68
score

Verify the OpenAI-compatible base URL, model list contract, request shape, secret boundary, and next key-pack route before buying a URL + API key quota pack.

USDC Base

dripstack.xyz

dripstack.xyz

67
score

Paid JSON for stock-picker calls from financial newsletters and investing articles. Query params: optional `date=YYYY-MM-DD` for one UTC effective day, optional `limit`. Default (omit `date`) returns the latest UTC effective day with picks. Rows missing publication timestamps may use extractedAt for the effective day. Returns 404 when no picks exist for the day. USDC `exact` x402 on Base or Solana; amount is based on distinct attributed source posts returned.

USDC BaseSolana

api.bitrefill.com

api.bitrefill.com

67
score

Search mobile top-ups & prepaid airtime for carriers in 180+ countries. Pay in USDC via x402, no account.

USDC ArbitrumBasePolygonSolana

chat.gedx402.com

chat.gedx402.com

67
score

Voice-agent reply turn — low-latency chat after WebSocket ASR flux and smart-turn detection. POST messages[]; synthesize with POST /v1/tts/aura-2-en. Bundle: GET /v1/models?bundle=voice.

USDC ArbitrumBaseOther EVMPolygonSolana

api.bitrefill.com

api.bitrefill.com

67
score

Search 10,000+ gift card & voucher brands across 180+ countries by name and country. Pay in USDC via x402, no account.

USDC ArbitrumBasePolygonSolana

stable-enrich-git-stableenrich-solar-rgb-image-merit-systems.vercel.app

stable-enrich-git-stableenrich-solar-rgb-image-merit-systems.vercel.app

66
score

Google Solar API - Download any GeoTIFF data layer (rgb, dsm, annualFlux, monthlyFlux, hourlyShade, mask) and return it as a PNG/JPEG image. Accepts either a GeoTIFF `id` (Mode A) or `latitude`/`longitude` (Mode B, which resolves the layer URL via dataLayers:get). For monthlyFlux pass `month` (1-12) for a single month, omit for a 4×3 grid. For hourlyShade pass `month` (required in Mode B) and optional `hour` (0-23); omit `hour` for a 6×4 grid.

USDC BaseSolana

aeml-x402.zeabur.app

aeml-x402.zeabur.app

66
score

Tiered payment receipt (tier 3): pay once with x402 and get back a short-lived receipt token that /pay/verify checks for you. The tier is fixed by the path - you do not send it. Optional ?ref= carries your own opaque reference, such as a query hash, straight through to the receipt. This mints a receipt rather than returning data, so there is no lookup that can come back empty.

USDC BaseSolana

losbeto-production-dd7c.up.railway.app

losbeto-production-dd7c.up.railway.app

66
score

Live Crypto Fear & Greed Index (0-100) with classification and AI interpretation. Contrarian signal for trading agents.

USDC BaseSolana

com.babyblueviper/invinoveritas

api.babyblueviper.com

66
score

Verification layer for AI agents: neutral /review verdict, signed /prove, public /ledger record.

USDC Basexrpl:0

palmyr.ai

palmyr.ai

66
score

Generate an i402 plan from a natural-language intent. Returns a 402 response with a list of x402 calls the agent should sign and execute.

USDC BaseSolana

api.jarvisclaw.ai

api.jarvisclaw.ai

66
score

AI phone calls - automated voice conversations with AI agents, pay per minute with USDC

USDC BaseSolana

api.jarvisclaw.ai

api.jarvisclaw.ai

66
score

AI intent execution - natural language commands translated to API actions automatically

USDC BaseSolana

api.jarvisclaw.ai

api.jarvisclaw.ai

66
score

AI chat completions - 80+ models (GPT-4o, Claude, Gemini, DeepSeek), pay per token with USDC

USDC BaseSolana

agentpay.tools

agentpay.tools

66
score

Buyer-side trust oracle for the x402 marketplace: 'I need X, budget $Y — which tool is real?' Sweeps the WHOLE catalog across many queries, collapses sybil/factory clusters (one wallet stamping many fake-distinct listings), ranks the genuinely-used survivors by unique-payer usage, and returns one vetted pick with a ready-to-pay challenge. The credit-bureau check an agent can't do in a single query.

USDC Base