Task

Publishing

5 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

WithZero x402 REST usage

Generate images from a text prompt with xAI's Grok Imagine quality tier. Returns hosted image URLs.

agents.withzero.xyz Search & Research 27 calls / 30d checked 2026-10-26

0.05 USDC per call per call

CitePulse x402 REST usage

Single-paper lookup by DOI or title for research agents — citation count, influence, open-access status with a direct legal-OA link (Unpaywall), venue, and a TLDR. Deterministic passthrough over OpenAlex + Semantic Schol...

citepulse.theaslangroupllc.com Search & Research 7 calls / 30d checked 2026-10-26

0.02 USDC per call per call

Social Posting APIs 2026 x402 REST usage

Social Posting APIs 2026: Limits and Costs — Tells a publishing agent what the social networks allow, cost and return in autumn 2026, checked on 8 October 2026, before it plans or writes the posting code. Covers X (no fr...

api.aiskills402.com Media & Creative 2 calls / 30d checked 2026-10-26

0.05 USDC per call per call

Agent Artifact Publisher x402 REST usage

Publish agent-generated files, JSON reports, markdown, or text and return a stable public URL.

agent-artifact-eta.vercel.app Search & Research 3 calls / 30d checked 2026-10-26

0.005 USDC per call per call

validate-isbn x402 REST usage

ISBN-10 or ISBN-13 checksum validation (auto-detected by length).

x402.agentindex.world Other services 3 calls / 30d checked 2026-10-26

0.001 USDC per call per call

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