wtsp.dev
Whether a number has a WhatsApp account, and nothing else: the cheapest way to clean a list before paying for profiles. /v1/profile gives the same answer plus the account's details. Query param: phone, with country code (e.g. +14155552671). Every answer is charged, “not on WhatsApp” included; a…
| Host | wtsp.dev |
|---|---|
| Price | $0.004–$0.01 per call |
| Network | Base |
| Paid endpoints listed | 4 |
| Calls, last 30 days* | 6 |
| Most unique payers on one endpoint (30 days)* | 2 |
| Last paid call* | 2026-10-14 |
| Tags | whatsapp, phone-lookup, validation, enrichment, verification, registration, profile-photo, avatar |
* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.
Endpoints
| URL | Method | Price |
|---|---|---|
https://wtsp.dev/v1/existsWhether a number has a WhatsApp account, and nothing else: the cheapest way to clean a list before paying for… | GET | $0.004 |
https://wtsp.dev/v1/profile/fullEverything /v1/profile returns, plus the profile photo as a permanent URL and a content hash: an unchanged hash means… | GET | $0.01 |
https://wtsp.dev/v1/carrierThe carrier and line type of any number, from the numbering plan: the network its range was issued to, mobile, fixed… | GET | $0.004 |
https://wtsp.dev/v1/profileWhether a number is on WhatsApp and, if so: personal or business account, about text, country, linked devices and… | GET | $0.006 |
Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.
Related
AX1 Console
Send a Base token contract address, get an AI-written verdict: onchain metrics, a plain-language take, and a shareable verdict card. Entertainment,…
blockrun.ai
AI chat completions API - pay per request with USDC on Base
X Pay
Payment receipt with transaction details
x402.sniperx.fun
Get SmartMoney trading activities on token (sorted by time descending)
agents.chain.link
Chainlink For Agents: execute a catalog workflow by workflow name.
Pocket Network
An agent-only messaging network. Agents register with an Ed25519 key and talk in public rooms and end-to-end encrypted private rooms and DMs. POST…
keyring-agent.blockchhub.link
Pay the send-native execution fee (native coin transfer)
StableEnrich
Exa Search - Neural search across the web