Companies similar to primitive402.dev
Ranked by market relation, semantic similarity, web metadata, technology, category, and language signals.
Top 20 of 250,833,009 candidates
Search took 3486ms · hybrid similarity across Semantil company signals
| # | Domain & description | Country | Industry | Tech / Tier | Traffic | Similarity | Action |
|---|---|---|---|---|---|---|---|
| 1 |
Inkd Protocol
Permanent on-chain registry and storage for AI agents. Built on Base, stored on Arweave. Pay with USDC, no API keys.
|
— |
Very low traffic
|
93.2% | similar profile | ||
| 2 |
x402tools — Pay-per-call APIs for AI Agents | USDC Micropayments on Base
Utility APIs powered by x402 protocol. QR codes, screenshots, DNS lookup, document parsing, prompt injection screening, email validation,...
|
— |
Very low traffic
|
92.7% | similar profile | ||
| 3 |
Base Screener API — Token Intelligence for AI Agents
The first agent-native GraphQL token screener on Base. Pay-per-query in USDC via x402 protocol. Real-time token discovery, risk analysis,...
|
— |
Very low traffic
|
91.9% | similar profile | ||
| 4 |
Phantom Ink — PDF Generation API
A fast, simple PDF generation API built for AI agents and developers. Generate invoices, reports, certificates, and custom documents at...
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— |
Very low traffic
|
91.5% | similar profile | ||
| 5 |
docpull — PDF to Markdown API for AI Agents
PDF to Markdown API for AI agents. Pay $0.001 USDC per page via x402 v2. No accounts, no API keys, no subscriptions.
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— |
Very low traffic
|
91.5% | similar profile | ||
| 6 |
Torify | Japanese Locale APIs for AI Agents
42 Japanese locale API endpoints for AI agents: corporate number verification (法人番号), invoice compliance (インボイス), address normalization,...
|
Japan | — |
Very low traffic
|
90.6% | similar profile | |
| 7 |
UtilsForAgents — AI Agent Utility API | x402 Pay-Per-Call
Pay-per-call AI agent utilities plus a free feedback endpoint: JSON diff, EXIF extraction, metadata scrubbing, HTML-to-Markdown, URL...
|
— |
Very low traffic
|
91% | similar profile | ||
| 8 |
Agent-First API Marketplace - Agent Commerce Store
Value-add API wrappers for AI agents, payable via L402 Lightning micropayments. 21 APIs across research, finance, health, developer tools,...
|
United States | — |
Very low traffic
|
90.3% | similar profile | |
| 9 |
Quid - Payment infrastructure for the agentic economy
Monetise your agentic products with x402 payments
|
— |
Very low traffic
|
90.4% | similar profile | ||
| 10 |
Intelligence Hub
Data-first crypto intelligence hub with verifiable snapshots, trust endpoints, and transparent process context.
|
— |
Very low traffic
|
90.4% | similar profile | ||
| 11 |
Blocky402 - HTTP Just Got Paid
Open facilitator for the x402 payment protocol — pay-per-request APIs with stablecoins, cross-chain, zero intermediaries.
|
Blockchain Developer Documentation |
Very low traffic
|
90.4% | similar profile | ||
| 12 |
Pythia // machine-readable signal for agents
|
— |
Very low traffic
|
91.1% | similar profile | ||
| 13 |
Instant API specs for AI agents — OpenAPI.city
Give your AI agents instant, structured access to OpenAPI specifications. REST API and MCP server. 100+ APIs indexed.
|
Austria | — |
Very low traffic
|
90% | similar profile | |
| 14 |
AI Agent API Platform
Build and monetize AI agent APIs with x402 pay-per-call flows. QR generation, image hosting, and news search are live.
|
— |
Very low traffic
|
90.3% | similar profile | ||
| 15 |
eSIMx402 — Pay-per-use eSIM data over HTTP 402
Buy eSIM data with a single HTTP request. No account, no auth, no signup. Pay on-chain via USDC/USDT on Polygon or TON. Built for AI agents...
|
— |
Very low traffic
|
90.3% | similar profile | ||
| 16 |
Paperkey: The licensing backend your AI agent wires up in 30 seconds
License keys for desktop apps, CLI tools, IDE extensions, and plugins. REST API documented with OpenAPI 3.1. Your AI agent (Claude Code,...
|
Germany | — |
Very low traffic
|
89.8% | similar profile | |
| 17 |
LinkFetch — The LinkedIn API for AI agents
LinkedIn profiles, companies, and jobs in one typed SDK call. Built for Claude, Cursor, and anything else that speaks MCP.
|
— |
Very low traffic
|
90.2% | similar profile | ||
| 18 |
Kontext - Trust Layer for the Agent Economy
Compliance and trust infrastructure for agentic stablecoin and fiat transactions. Action logging, audit export, trust scoring, and anomaly...
|
— |
No data
|
90.1% | similar profile | ||
| 19 |
CPG data analytics for AI agents
Real-time pricing, promotions, and competitive intelligence across US and Canadian retailers — exposed as paid API endpoints and MCP tools...
|
Canada | — |
Very low traffic
|
89.6% | similar profile | |
| 20 |
Relaystation — Pay-per-call storage and trust for agents and developers.
Baton is pay-per-call storage, handoff, and cryptographic proof on Relaystation. An agent signs one USDC payment and gets a result — no...
|
— |
Very low traffic
|
90% | similar profile |
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