GeekVault — API catalog for AI agents, paid per call

https://api.geekvault.dev/dev-tools/v1/base64

● healthy search

Network, docs, image, web, and dev utility tools paid per call via x402. No signup, no API keys, no subscriptions — just USDC on Base.

Paid verification

How it works

No sponsored paid call yet.

Pay this endpoint once from your own wallet (Base USDC, up to $1.00) and we call it and record what came back. Your wallet pays the listed recipient directly; Agent Tools never holds funds. Sponsored checks prove delivery; they do not count as demand.

Quality grade

How grading works

B+ 66.8 / 100

Availability 20.0 / 20

Endpoint responded (HTTP 402)

Payability 15.0 / 15

✓ Answers a real HTTP 402 challenge
✓ Publishes a /.well-known/x402 descriptor
✓ Payment address on record
✓ Settlement network declared
✓ Price declared

Demand 8.1 / 35

2 distinct payers, 992 USDC transfers in the last 30 days; discounted because most transfers come from few payers

Performance 9.7 / 10

Last probe answered in 260 ms (full marks at 200 ms or less)

Readiness 14.0 / 15

Agent readiness 93/100

Owner verified 0.0 / 5

Nobody has claimed this listing yet

Endpoint last checked 19 h ago. On-chain activity last read 3 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass. This grade sets search order and leaderboards; the readiness score below is shown for reference only.

x402 readiness

A · 93/100

Readiness is how fully this listing follows its protocol and how it behaved in our probes over 30 days. It is shown for reference and does not move it in search. Search order and leaderboards use the separate quality grade (here B+, 66.8/100), which weighs availability, payability and on-chain demand. How the two differ

Valid payment requirements	10/10	Payment requirements carry a payee, a mainnet network and a price.
Live 402 challenge	25/25	Paid endpoint answers with an HTTP 402 challenge (260 ms).
x402 version	n/a	x402 version not observed yet.
Signed descriptor	n/a	No x402 standard defines a signed descriptor.
Uptime (30 days)	15/15	25/25 probes succeeded over 30 days (100%).
Resource declaration	10/10	Declares 51 paid resource(s).
Verified identity	5/10	Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.
Freshness + modern flags	5/5	seen in a source within 7 days; declares x402.
Security declaration	n/a	Payment is the access control for an x402 resource.

Applicable criteria total 75 points, scaled to 100.

Responsiveness: Responsive (260 ms; bands ≤2.5 s, ≤5 s, ≤8 s, slower; penalty only).

Payment evidence: x402_challenge — We sent a request and got a live HTTP 402 challenge. Also: x402_manifest, catalog_listing. Qualifies the payment claim; adds no points.

Measured 2026-11-11.

Nine criteria, the same as the A2A readiness score, read from our daily probe of the paid endpoint, its payment requirements and 30-day probe history. Signed descriptor and security declaration are n/a for x402 (payment is the access control), as is an x402 version we have not observed; the remaining points are scaled to 100. Grades: A>=90, B>=75, C>=60, D>=40, F<40. It also feeds 15 points of the x402 quality grade.

Compared with peers

Against 10,082 reachable x402 APIs in our daily snapshot (2026-11-12 06:46 UTC). Display only; it does not change search order.

Readiness: Higher than 94% of peers; This listing 93 · peer median 78
Latency: Faster than 40% of peers; This listing 260 ms · peer median 205 ms

Where it loses the most points, and how to win them back

Verified identity −5 — Claim the listing and prove control of its domain.
Now: Publisher descriptor (/.well-known/x402 or OpenAPI) on record; claim this listing to verify domain control.

How many agent tools actually work · All statistics

Paid endpoints

51 resource(s) advertised by this origin. Each price below is that resource's own x402 price; the headline price is the range across them.

GET https://api.geekvault.dev/dev-tools/v1/hash $0.0020 / call

dev-tools — dev-tools/v1/hash

GET https://api.geekvault.dev/dev-tools/v1/uuid-generate $0.0020 / call

dev-tools — dev-tools/v1/uuid-generate

POST https://api.geekvault.dev/dev-tools/v1/json-format $0.0020 / call

dev-tools — dev-tools/v1/json-format

POST https://api.geekvault.dev/dev-tools/v1/json-validate $0.0020 / call

dev-tools — dev-tools/v1/json-validate

GET https://api.geekvault.dev/dev-tools/v1/jwt-decode $0.0020 / call

dev-tools — dev-tools/v1/jwt-decode

POST https://api.geekvault.dev/dev-tools/v1/regex-test $0.0020 / call

dev-tools — dev-tools/v1/regex-test

GET https://api.geekvault.dev/dev-tools/v1/cron-explain $0.0020 / call

dev-tools — dev-tools/v1/cron-explain

POST https://api.geekvault.dev/img-tools/v1/strip-exif $0.0020 / call

img-tools — img-tools/v1/strip-exif

POST https://api.geekvault.dev/img-tools/v1/metadata $0.0020 / call

img-tools — img-tools/v1/metadata

GET https://api.geekvault.dev/img-tools/v1/qr-generate $0.0020 / call

img-tools — img-tools/v1/qr-generate

POST https://api.geekvault.dev/img-tools/v1/qr-decode $0.0020 / call

img-tools — img-tools/v1/qr-decode

POST https://api.geekvault.dev/img-tools/v1/resize $0.0020 / call

img-tools — img-tools/v1/resize

POST https://api.geekvault.dev/img-tools/v1/dominant-colors $0.0030 / call

img-tools — img-tools/v1/dominant-colors

POST https://api.geekvault.dev/img-tools/v1/crop $0.0030 / call

img-tools — img-tools/v1/crop

POST https://api.geekvault.dev/img-tools/v1/rotate $0.0030 / call

img-tools — img-tools/v1/rotate

POST https://api.geekvault.dev/img-tools/v1/convert $0.0030 / call

img-tools — img-tools/v1/convert

POST https://api.geekvault.dev/docs-tools/v1/pdf-metadata $0.0020 / call

docs-tools — docs-tools/v1/pdf-metadata

POST https://api.geekvault.dev/docs-tools/v1/to-markdown $0.0030 / call

docs-tools — docs-tools/v1/to-markdown

POST https://api.geekvault.dev/docs-tools/v1/ocr $0.0100 / call

docs-tools — docs-tools/v1/ocr

GET https://api.geekvault.dev/net-tools/v1/dns-lookup $0.0020 / call

net-tools — net-tools/v1/dns-lookup

GET https://api.geekvault.dev/net-tools/v1/ssl-check $0.0020 / call

net-tools — net-tools/v1/ssl-check

GET https://api.geekvault.dev/net-tools/v1/headers-audit $0.0020 / call

net-tools — net-tools/v1/headers-audit

GET https://api.geekvault.dev/net-tools/v1/redirect-trace $0.0020 / call

net-tools — net-tools/v1/redirect-trace

GET https://api.geekvault.dev/net-tools/v1/email-auth-check $0.0020 / call

net-tools — net-tools/v1/email-auth-check

GET https://api.geekvault.dev/net-tools/v1/asn-lookup $0.0030 / call

net-tools — net-tools/v1/asn-lookup

GET https://api.geekvault.dev/net-tools/v1/whois-lookup $0.0030 / call

net-tools — net-tools/v1/whois-lookup

GET https://api.geekvault.dev/net-tools/v1/blacklist-check $0.0040 / call

net-tools — net-tools/v1/blacklist-check

GET https://api.geekvault.dev/net-tools/v1/cdn-fingerprint $0.0040 / call

net-tools — net-tools/v1/cdn-fingerprint

GET https://api.geekvault.dev/net-tools/v1/ping $0.0050 / call

net-tools — net-tools/v1/ping

GET https://api.geekvault.dev/net-tools/v1/traceroute $0.0080 / call

net-tools — net-tools/v1/traceroute

GET https://api.geekvault.dev/net-tools/v1/port-scan $0.0100 / call

net-tools — net-tools/v1/port-scan

GET https://api.geekvault.dev/web-tools/v1/metadata $0.0030 / call

web-tools — web-tools/v1/metadata

GET https://api.geekvault.dev/web-tools/v1/tech-detect $0.0030 / call

web-tools — web-tools/v1/tech-detect

GET https://api.geekvault.dev/web-tools/v1/screenshot $0.0020 / call

web-tools — web-tools/v1/screenshot

GET https://api.geekvault.dev/web-tools/v1/extract-article $0.0050 / call

web-tools — web-tools/v1/extract-article

GET https://api.geekvault.dev/web-tools/v1/broken-links $0.0100 / call

web-tools — web-tools/v1/broken-links

GET https://api.geekvault.dev/web-tools/v1/pdf-export $0.0100 / call

web-tools — web-tools/v1/pdf-export

GET https://api.geekvault.dev/dev-tools/v1/hmac $0.0020 / call

dev-tools — dev-tools/v1/hmac

GET https://api.geekvault.dev/dev-tools/v1/base64 $0.0020 / call

dev-tools — dev-tools/v1/base64

GET https://api.geekvault.dev/dev-tools/v1/hex $0.0020 / call

dev-tools — dev-tools/v1/hex

GET https://api.geekvault.dev/dev-tools/v1/totp $0.0020 / call

dev-tools — dev-tools/v1/totp

GET https://api.geekvault.dev/dev-tools/v1/ulid-generate $0.0020 / call

dev-tools — dev-tools/v1/ulid-generate

GET https://api.geekvault.dev/dev-tools/v1/password-generate $0.0020 / call

dev-tools — dev-tools/v1/password-generate

GET https://api.geekvault.dev/dev-tools/v1/calculate $0.0020 / call

dev-tools — dev-tools/v1/calculate

GET https://api.geekvault.dev/dev-tools/v1/statistics $0.0020 / call

dev-tools — dev-tools/v1/statistics

GET https://api.geekvault.dev/dev-tools/v1/unit-convert $0.0020 / call

dev-tools — dev-tools/v1/unit-convert

GET https://api.geekvault.dev/dev-tools/v1/cidr-calculate $0.0020 / call

dev-tools — dev-tools/v1/cidr-calculate

GET https://api.geekvault.dev/dev-tools/v1/loan-calculate $0.0020 / call

dev-tools — dev-tools/v1/loan-calculate

POST https://api.geekvault.dev/ai-tools/v1/embed $0.0020 / call

ai-tools — ai-tools/v1/embed

POST https://api.geekvault.dev/ai-tools/v1/transcribe $0.0150 / call

ai-tools — ai-tools/v1/transcribe

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -sS -i -X GET https://api.geekvault.dev/dev-tools/v1/base64  # expect HTTP 402 Payment Required (about $0.002/call)

/.well-known/x402.json

https://api.geekvault.dev/.well-known/x402

Listed in

Directories this entry was found in.

x402scan since 2026-10-20 submission since 2026-10-21