Free Developer Tools & Pay-As-You-Go APIs

Pay-as-you-go APIs and free developer tools.
No subscriptions, no lock-in. Just code that works.

$ curl · serverless-ready · built for side projects

explore --all open dashboard ↗

projects

All projects share one token and one credit balance. Top up once, use it anywhere.

db-api

Lightweight Key-Value Store. No server to run. Handy for serverless apps, prototypes, feature flags, and small config.

  • 100 free operations to start
  • No registration
  • Credits never expire
  • RESTful & curl-friendly
view db-api → api-ref

webhook-api

Turn inbound email or a cron schedule into an HTTP webhook. Point it at one endpoint, get structured JSON payloads.

  • Email triggers
  • Cron triggers
  • Structured JSON payloads
  • Shared credit system
view webhook-api → api-ref

api-utilities

Small HTTP endpoints for scripts, agents, and backend jobs. Same token, same wallet.

open dashboard ↗ api docs

myip

See the public IP echoValue sees, with request-derived geo metadata. Handy for servers, scripts, and network checks.

  • 1 credit per request
  • IPv4 and IPv6 detection
  • Country, city, region, timezone
# GET current caller IP
curl 'https://api.echovalue.dev/myip' \
-H 'x-token: mytoken'
api-ref

url-to-metadata

Fetch structured metadata for a public URL, with optional AI summary enrichment when you need a compact page digest.

  • 55 credits base scrape
  • Optional AI summary enrichment: 800 credits
  • Flexible JSON metadata response
# POST public URL to analyze
curl 'https://api.echovalue.dev/url-to-metadata' \
-H 'x-token: mytoken' \
-H 'content-type: application/json' \
-d '{"url":"https://example.com/article","aiSummary":"none"}'
api-ref

dns-lookup

DNS lookups that return structured JSON, built for scripts, agents, and backend checks.

  • 5 credits per request
  • DNS record lookup
  • Structured JSON response
# POST domain lookup request
curl 'https://api.echovalue.dev/dns-lookup' \
-H 'x-token: mytoken' \
-H 'content-type: application/json' \
-d '{"domains":["example.com"],"recordTypes":["A","MX","TXT"],"enableEnrichment":true}'
api-ref

credits-pricing

One token, one shared wallet. Credits work across paid echoValue APIs.

Free

$0
  • ✓ 100 starter credits
  • ✓ No credit card
  • ✓ No registration
  • ✓ Full API access
start free

Standard

$4 / €3.70
  • ✓ 1 million credits
  • ✓ No subscription
  • ✓ Credits never expire
  • ✓ Shared across APIs
buy credits

Pro

$10 / €9.20
  • ✓ 3 million credits
  • ✓ No subscription
  • ✓ Credits never expire
  • ✓ Best value
buy credits

Cost examples

API Cost
DB API read/write/delete 1 credit
My IP 1 credit
DNS Lookup 5 credits
Webhook email 2 credits / 5 with attachments
URL to Metadata 55 credits base scrape + optional AI

dashboard

Prefer a UI? Generate a free token, manage credits, and use echoValue tools from one dashboard.

open dashboard ↗ read docs

free-tools

Free utilities with no ads or tracking. Most run in your browser.

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jsonlint

JSON validator and formatter. Runs entirely in your browser — nothing is uploaded anywhere.

  • Runs entirely in browser
  • No tracking
  • Syntax validation
  • Auto-formatting
open tool ↗ jq playground github

markdown-viewer

Upload or drag-and-drop a Markdown file and preview the formatted result. Frontmatter, GitHub tables, task lists and syntax highlighting included.

  • Runs entirely in browser
  • YAML frontmatter card
  • Outline navigation
  • Shareable links (client-side)
open tool ↗ github

lookup

Free lookup utility for domains and IPs. Quick answers, no clutter.

  • Free web tool
  • Domain and IP lookups
  • JSON output
open tool ↗

geoip

IP geolocation lookup: location, ISP, and timezone for any address.

  • Real-time lookups
  • Country + city data
  • Timezone info
  • ISP detection
open tool ↗ IPv6 checker

webhook

Webhook testing: grab a unique URL, send requests, inspect payloads live.

  • Open source
  • Free, no signup
  • 24h in-memory retention
  • Request inspection
open tool ↗ github

secrets

Share text through one-time links. The browser encrypts content with AES-256-GCM before sending; the key never reaches the server.

  • Client-side encryption
  • Optional password
  • Expiring links (1h–30d)
  • Control / cancel link
open tool ↗ github

crontab

Crontab utility for building, reading, and checking cron expressions.

  • Open source
  • Free, no signup
  • Cron expression helper
  • Readable schedule output
open tool ↗ github

urlsummary

Pulls structured data out of any web page.

  • JSON output
  • AI-powered summaries
  • API with 3rd party services
open tool ↗

open-source

Community projects, MIT licensed. Use them, fork them, send patches.

room-book-simple

Room booking for small offices and co-working spaces. Simple to deploy.

view on github

contact

Questions, feedback, or a bug to report? Get in touch.

email

support at echovalue dot dev

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