Vend API Merchant

Pay-per-call web intel: extract, search, link check, domain, geo, Nano. Settled via Nano x402.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

One-click editor setup isn’t available for this listing yet — we don’t have a confirmed install command, and we’d rather show nothing than point your editor at the wrong package or host. Follow the project’s own setup instructions, linked above.

Manual Client & Custom JSON ConfigExpand JSON ▾

No confirmed setup config for this listing yet. We only publish a config block when the install details come from the project itself — its README, its docs, or a verified owner. We haven’t found those for vend-api-merchant, and we’d rather show nothing than a guess you’d paste into your client. Follow the project’s own setup instructions for the current steps.

Documentation Overview

Vend — Autonomous API Merchant

Pay-per-call APIs settled in Nano (XNO). No signup, no API keys — just HTTP 402 with an x402 v2 challenge.

Endpoints

Endpoint	Price (XNO)	What it does
`GET /api/v1/extract?url=`	0.0001	Extract clean text/markdown from any web page
`GET /api/v1/check-link?url=`	0.0001	Check HTTP status, response time, redirect chain
`GET /api/v1/status?url=`	0.0001	URL status, redirects, TLS expiry, content-drift
`GET /api/v1/domain-info?domain=`	0.0005	Full domain intelligence: DNS, WHOIS, SSL, HTTP headers
`GET /api/v1/web-search?q=`	0.0001	Web search via DuckDuckGo — titles, URLs, snippets
`GET /api/v1/geoip?ip=`	0.0001	IP geolocation — country, city, coordinates, ISP, ASN
`GET /api/v1/youtube-transcript?url=`	0.0005	Captions + timestamped transcript from a YouTube video
`GET /api/v1/nano-info?account=`	0.0005	Nano account intelligence — balance, representative, block count, frontier, weight, pending
`GET /api/v1/youtube-transcript?url=`	0.0005	Captions/transcript from a YouTube video
`GET /api/v1/select?url=&selector=`	0.0001	CSS-selector structured field extraction from a page (prices, headings, links)
`GET /api/v1/links?url=`	0.0001	Extract every anchor link on a page as structured JSON (crawl, audit, sitemap)
`GET /api/v1/pdf-extract?url=`	0.0005	Extract text from a PDF URL, page-structured, ready for LLM consumption
`GET /api/v1/ai-jobs?q=`	0.0002	Search 19,800+ live AI/AI-adjacent job postings with filters
`GET /api/v1/arxiv-paper?arxiv_id=`	0.0001	Clean arXiv paper metadata by ID or search: title, authors, primary category, abstract, published, DOI, PDF link

Quick buyer guide

BUYERS_GUIDE.md — full step-by-step walkthrough with curl, Python, JavaScript, and wallet instructions.
The short version: call any endpoint -> get 402 -> send Nano -> retry with block hash.

How it works (buyer flow)

Code

1. GET /api/v1/extract?url=https://example.com
   → HTTP 402 with x402 payment challenge

2. Send 0.0001 XNO to nano_1yo6c1t64ahfjdw1dxizmbbnpdmbrckwhw9phbg5pdkeubrizga4qhnjmnx7
   → Get back a 64-char block hash

3. GET /api/v1/extract?url=https://example.com  -H "X-PAYMENT: <block-hash>"
   → HTTP 200 with the extracted text

Python example

server.ts

import httpx

# Step 1: Probe unpaid
resp = httpx.get("https://search.paypercall.dev/api/v1/web-search?q=nano")
assert resp.status_code == 402
challenge = resp.json()

# Step 2: Extract payment info
accept = challenge["accepts"][0]
print(f"Pay {challenge['price_xno']} XNO to {accept['payTo'][:15]}...")

# Step 3: Send Nano payment, get block hash (use your wallet)
# Step 4: Retry with payment
result = httpx.get(
    "https://search.paypercall.dev/api/v1/web-search?q=nano",
    headers={"X-PAYMENT": "your-64-char-block-hash"}
)
print(result.json())

See examples/python-buyer.py for a full working script with error handling.

Conformance

All endpoints pass the Stelar x402 Doctor at 100.0/A:

extract: https://api.stelardigital.com/doctor?url=https://extract.paypercall.dev/api/v1/extract
check-link: https://api.stelardigital.com/doctor?url=https://check.paypercall.dev/api/v1/check-link
domain-info: https://api.stelardigital.com/doctor?url=https://domain.paypercall.dev/api/v1/domain-info
web-search: https://api.stelardigital.com/doctor?url=https://search.paypercall.dev/api/v1/web-search
geoip: https://api.stelardigital.com/doctor?url=https://geoip.paypercall.dev/api/v1/geoip
nano-info: https://extract.paypercall.dev/api/v1/nano-info (nano.paypercall.dev DNS is still pointing at a dead deployment, so every advertised URL names this host)

x402 v2 challenge in both header and body. Per-endpoint subdomains. Bazaar input schema on every endpoint.

Discovery

x402 manifest: https://extract.paypercall.dev/.well-known/x402 (also at check, domain, search)
OpenAPI spec: https://extract.paypercall.dev/openapi.json (also at check, domain, search)
agent-tools.cloud: https://agent-tools.cloud/services/extract-paypercall-dev-sub822

Running locally

server.ts

# Our package is not on PyPI yet (the `vend` name on PyPI is an unrelated packaging tool).
# Run from this repo instead:
uv sync
export VEND_WALLET_ADDRESS="nano_..."
uv run python -m vend

License

MIT

Read the full README →View source on GitHub →

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Frequently Asked Questions about Vend API Merchant

We don't have a confirmed install command for vend-api-merchant yet, so we don't publish a generated one — a guessed package name would point at the wrong package or none at all. Follow the project's own README or setup instructions (https://github.com/dhyabi2/vend) for the current steps.

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Technical Specs & Signals

CategoryFinance & Fintech

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools11/30

Adoption & activity1/15

Community engagement0/10

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Documentation Overview

Vend — Autonomous API Merchant

Pay-per-call APIs settled in Nano (XNO). No signup, no API keys — just HTTP 402 with an x402 v2 challenge.

Endpoints

Endpoint	Price (XNO)	What it does
`GET /api/v1/extract?url=`	0.0001	Extract clean text/markdown from any web page
`GET /api/v1/check-link?url=`	0.0001	Check HTTP status, response time, redirect chain
`GET /api/v1/status?url=`	0.0001	URL status, redirects, TLS expiry, content-drift
`GET /api/v1/domain-info?domain=`	0.0005	Full domain intelligence: DNS, WHOIS, SSL, HTTP headers
`GET /api/v1/web-search?q=`	0.0001	Web search via DuckDuckGo — titles, URLs, snippets
`GET /api/v1/geoip?ip=`	0.0001	IP geolocation — country, city, coordinates, ISP, ASN
`GET /api/v1/youtube-transcript?url=`	0.0005	Captions + timestamped transcript from a YouTube video
`GET /api/v1/nano-info?account=`	0.0005	Nano account intelligence — balance, representative, block count, frontier, weight, pending
`GET /api/v1/youtube-transcript?url=`	0.0005	Captions/transcript from a YouTube video
`GET /api/v1/select?url=&selector=`	0.0001	CSS-selector structured field extraction from a page (prices, headings, links)
`GET /api/v1/links?url=`	0.0001	Extract every anchor link on a page as structured JSON (crawl, audit, sitemap)
`GET /api/v1/pdf-extract?url=`	0.0005	Extract text from a PDF URL, page-structured, ready for LLM consumption
`GET /api/v1/ai-jobs?q=`	0.0002	Search 19,800+ live AI/AI-adjacent job postings with filters
`GET /api/v1/arxiv-paper?arxiv_id=`	0.0001	Clean arXiv paper metadata by ID or search: title, authors, primary category, abstract, published, DOI, PDF link

Quick buyer guide

BUYERS_GUIDE.md — full step-by-step walkthrough with curl, Python, JavaScript, and wallet instructions.
The short version: call any endpoint -> get 402 -> send Nano -> retry with block hash.

How it works (buyer flow)

Code

1. GET /api/v1/extract?url=https://example.com
   → HTTP 402 with x402 payment challenge

2. Send 0.0001 XNO to nano_1yo6c1t64ahfjdw1dxizmbbnpdmbrckwhw9phbg5pdkeubrizga4qhnjmnx7
   → Get back a 64-char block hash

3. GET /api/v1/extract?url=https://example.com  -H "X-PAYMENT: <block-hash>"
   → HTTP 200 with the extracted text

Python example

server.ts

import httpx

# Step 1: Probe unpaid
resp = httpx.get("https://search.paypercall.dev/api/v1/web-search?q=nano")
assert resp.status_code == 402
challenge = resp.json()

# Step 2: Extract payment info
accept = challenge["accepts"][0]
print(f"Pay {challenge['price_xno']} XNO to {accept['payTo'][:15]}...")

# Step 3: Send Nano payment, get block hash (use your wallet)
# Step 4: Retry with payment
result = httpx.get(
    "https://search.paypercall.dev/api/v1/web-search?q=nano",
    headers={"X-PAYMENT": "your-64-char-block-hash"}
)
print(result.json())

See examples/python-buyer.py for a full working script with error handling.

Conformance

All endpoints pass the Stelar x402 Doctor at 100.0/A:

extract: https://api.stelardigital.com/doctor?url=https://extract.paypercall.dev/api/v1/extract
check-link: https://api.stelardigital.com/doctor?url=https://check.paypercall.dev/api/v1/check-link
domain-info: https://api.stelardigital.com/doctor?url=https://domain.paypercall.dev/api/v1/domain-info
web-search: https://api.stelardigital.com/doctor?url=https://search.paypercall.dev/api/v1/web-search
geoip: https://api.stelardigital.com/doctor?url=https://geoip.paypercall.dev/api/v1/geoip
nano-info: https://extract.paypercall.dev/api/v1/nano-info (nano.paypercall.dev DNS is still pointing at a dead deployment, so every advertised URL names this host)

x402 v2 challenge in both header and body. Per-endpoint subdomains. Bazaar input schema on every endpoint.

Discovery

x402 manifest: https://extract.paypercall.dev/.well-known/x402 (also at check, domain, search)
OpenAPI spec: https://extract.paypercall.dev/openapi.json (also at check, domain, search)
agent-tools.cloud: https://agent-tools.cloud/services/extract-paypercall-dev-sub822

Running locally

server.ts

# Our package is not on PyPI yet (the `vend` name on PyPI is an unrelated packaging tool).
# Run from this repo instead:
uv sync
export VEND_WALLET_ADDRESS="nano_..."
uv run python -m vend

License

MIT

Frequently Asked Questions about Vend API Merchant