sigtap Outreach API

active

Paid micro-utilities for cold-email outreach agents: domain deliverability audits, cold-email grading, template generation, plus a tools toolbox (hashing, JWT decode, IDs, slugs, JSON, regex, crypto prices, domain age, weather). Paid via x402 (USDC on Base). One signature per call. No keys. FREE CHECK: GET /preview/<paid-path (same URL with /preview/ prefix) returns a 200 demo sample - verify…

DataBasex402 v2exactsigtap-outreach-api.sigtap.workers.dev ↗︎

Settled via PayAI.

Transactions · 30d
171
Volume · 30d
$0.375
Unique buyers · 30d
4
Uptime · 30d
100.0%
Latency p50
35ms

Endpoints (12 live)

  • GET /tools/hash — Hash a string: sha256, sha512, sha1, md5, CRC32, base64 checksum - crypto hash API for UTF-8 text (0.0005 USDC on Base)
  • GET /tools/slug — Slug generator: url-safe slug from unicode text, latin and Cyrillic transliteration (0.001 USDC on Base)
  • GET /template — Cold email generator: personalized outreach email from proven templates (founder, agency, freelance) (0.01 USDC on Base)
  • GET /tools/regex — Regex tester: test a regular expression - matches, groups, count and backtracking risk check (0.001 USDC on Base)
  • GET /tools/jwt-decode — JWT decoder: decode a JSON web token header and payload, with safety flags (never verifies the signature) (0.001 USDC on Base)
  • GET /deliverability — Email deliverability check: SPF, DKIM, DMARC and MX record audit for a sending domain (0.003 USDC on Base)
  • GET /grade — Cold email grader: score an email 0-100 with concrete fixes (subject line, body, spam risk) (0.005 USDC on Base)
  • GET /tools/json — JSON tools: flatten JSON to dot paths, or convert JSON rows to CSV online (0.001 USDC on Base)
  • GET /tools/domain-age — Domain age checker: registration date, age in days and registrar via RDAP lookup (0.003 USDC on Base)
  • GET /tools/crypto-price — Crypto price API: BTC and ETH spot price from Coinbase with buy, sell and spread percent (0.002 USDC on Base)
  • GET /tools/weather — Weather API: current weather and next 3 hours temperature by lat, lon (open-meteo) (0.001 USDC on Base)
  • GET /tools/uuid — UUID generator: batch unique ids - UUIDv4, UUIDv7, ULID or nanoid - random ID API (0.0005 USDC on Base)

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