https://agentutility.ai/updates Daily notes on x402, the agent economy, and the agentutility endpoint portfolio. By x.com/x402_deployer. en-us Mon, 18 May 2026 12:00:00 GMT agentutility-site https://agentutility.ai/updates/x402-volume-base-mainnet-may-2026 https://agentutility.ai/updates/x402-volume-base-mainnet-may-2026 Mon, 18 May 2026 12:00:00 GMT Daily x402 settlement on Base crossed 200k calls and $11k USDC in mid-May 2026. Here's the per-endpoint breakdown and what the trajectory says about pricing. x402 base stats usdc noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/schema-design-for-agent-endpoints https://agentutility.ai/updates/schema-design-for-agent-endpoints Sun, 17 May 2026 12:00:00 GMT What we learned about field shapes, error handling, naming, and defaults after shipping 244 paid x402 endpoints across the agentutility portfolio. schema api-design agents mcp noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/mcp-as-a-discovery-protocol https://agentutility.ai/updates/mcp-as-a-discovery-protocol Sun, 17 May 2026 12:00:00 GMT Model Context Protocol started as a way to hand tools to agents. It's quietly becoming the layer where agents discover, evaluate, and call paid APIs. mcp x402 discovery claude-code agent-economy noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/prooflayer-and-the-verification-bottleneck https://agentutility.ai/updates/prooflayer-and-the-verification-bottleneck Sat, 16 May 2026 12:00:00 GMT AI writes code fast. Reviewing whether that code is safe to ship is the next scarcity. Prooflayer's 13 endpoints try to compress that review into one paid call. prooflayer ai-codegen supply-chain security x402 noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/edge-market-token-risk-score-walkthrough https://agentutility.ai/updates/edge-market-token-risk-score-walkthrough Sat, 16 May 2026 12:00:00 GMT Walkthrough of the EdgeMarket token-risk-score endpoint: six subscores from honeypot.is, GoPlus, and Etherscan, totaling 0-100 with a verdict tag, for $0.10 a call. edge-market onchain defi noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/why-x402-paywalls-beat-api-keys https://agentutility.ai/updates/why-x402-paywalls-beat-api-keys Fri, 15 May 2026 12:00:00 GMT API keys assume one human, one account, one billing relationship. Agents don't fit that shape. x402 fixes it by turning the 402 status code into a payment handshake. x402 api-keys base usdc payment-rail noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/the-economics-of-per-call-pricing https://agentutility.ai/updates/the-economics-of-per-call-pricing Fri, 15 May 2026 12:00:00 GMT Why SaaS minimums priced agents out, what a 1,000-call month costs on a $0.03 x402 endpoint vs a $99/mo plan, and where sub-cent pricing opens new work. economics pricing saas agents noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/erc-8004-agent-card-primer https://agentutility.ai/updates/erc-8004-agent-card-primer Thu, 14 May 2026 12:00:00 GMT The ERC-8004 agent card spec in one screen: the on-chain struct, the resolution path from agentId to JSON, and why agentId 47167's URI points at a worker, not a pinned file. erc-8004 identity base agent-cards noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/mediakit-50-file-format-endpoints https://agentutility.ai/updates/mediakit-50-file-format-endpoints Wed, 13 May 2026 12:00:00 GMT Mediakit ships 50 single-purpose file-conversion endpoints across PDF, image, audio, video, OCR, and office. Why 50 endpoints beats one /convert tool with a format flag. mediakit file-conversion pdf ocr noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/wordmint-named-tasks-vs-token-billing https://agentutility.ai/updates/wordmint-named-tasks-vs-token-billing Tue, 12 May 2026 12:00:00 GMT Token billing forces agents to guess prices before they know input sizes. Wordmint's named-task pricing flips that so a 'summarize' call costs $0.005, full stop. wordmint llm pricing agents noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/webprobe-precheck-before-scrape https://agentutility.ai/updates/webprobe-precheck-before-scrape Mon, 11 May 2026 12:00:00 GMT WebProbe's DNS/SSL/WHOIS/liveness checks at $0.001/URL filter dead domains, expired certs, parked sites, and squatter pages before you spend $0.01 each on doomed scrapes. web-probe scraping dns ssl noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/locale-civic-geo-weather-stack https://agentutility.ai/updates/locale-civic-geo-weather-stack Sun, 10 May 2026 12:00:00 GMT The Locale cluster wraps free civic data (weather, geocoding, flight status, IRS, Socrata) behind one x402 paywall at $0.001 a call, so an agent's whole trip-planning loop costs a penny. locale weather geocoding civic noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/coinbase-bazaar-listing-anatomy https://agentutility.ai/updates/coinbase-bazaar-listing-anatomy Sat, 09 May 2026 12:00:00 GMT A field-by-field walkthrough of how Coinbase's x402 Bazaar serializes endpoint listings, with notes on which fields move discovery and why paid call volume sets rank. bazaar coinbase discovery seo noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/no-signup-pattern-in-practice https://agentutility.ai/updates/no-signup-pattern-in-practice Fri, 08 May 2026 12:00:00 GMT An agent with a wallet, no account, no API key calls an x402 endpoint cold, pays $0.003 on Base, gets data back in two round trips. Full lifecycle traced. x402 auth wallet-identity noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/composable-pricing-stacking-endpoints https://agentutility.ai/updates/composable-pricing-stacking-endpoints Thu, 07 May 2026 12:00:00 GMT Four x402 endpoints stacked, $0.025 total, one answer to 'is this token safe to swap.' A worked example in composing thin APIs against the Bloomberg subscription model. composability pricing trading-agents noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/llms-txt-why-we-publish-one https://agentutility.ai/updates/llms-txt-why-we-publish-one Wed, 06 May 2026 12:00:00 GMT The llmstxt.org proposal in one paragraph, why it matters for AI-search citation, what we put in /llms.txt vs /llms-full.txt, and how to size yours. llms-txt ai-seo crawling discovery noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/cluster-aggregator-endpoints-lesson https://agentutility.ai/updates/cluster-aggregator-endpoints-lesson Tue, 05 May 2026 12:00:00 GMT Agents pay per call, so they want one call that answers the real question. Every cluster needs a composite endpoint that fans out to its sub-probes. api-design aggregator patterns noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/wallet-as-identity-vs-api-keys https://agentutility.ai/updates/wallet-as-identity-vs-api-keys Mon, 04 May 2026 12:00:00 GMT Wallet signatures scope risk to a single payment instead of a long-lived bearer secret. The trade flips hard when the principal is an agent calling 40 paid APIs a session. auth wallets x402 security noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/synthforge-three-price-tiers https://agentutility.ai/updates/synthforge-three-price-tiers Sun, 03 May 2026 12:00:00 GMT Synthforge ships draft, standard, and ultra tiers across image, video, and audio gen so agents pick the right cost-quality point per call instead of paying flagship rates every time. synthforge media-gen pricing-tiers noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/tag-based-discovery-grep-the-catalog https://agentutility.ai/updates/tag-based-discovery-grep-the-catalog Sat, 02 May 2026 12:00:00 GMT 244 endpoints in our x402 catalog now carry composable tags, and /endpoints.txt publishes a grep-friendly flat-file index agents can curl without any JSON parsing or API key. discovery tags catalog search noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/facilitator-wallet-anatomy https://agentutility.ai/updates/facilitator-wallet-anatomy Fri, 01 May 2026 12:00:00 GMT The CDP facilitator at 0x8f5c…e531 never custodies your USDC. Here's what actually moves on-chain when an x402 call settles, and what stays off it. x402 facilitator base settlement noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/building-a-research-agent-on-x402 https://agentutility.ai/updates/building-a-research-agent-on-x402 Thu, 30 Apr 2026 12:00:00 GMT A working recipe: feed a topic, get back a 500-word sourced brief in about seven seconds for four cents, using three x402 endpoints stitched together with one wallet. recipes agents research code noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/x402-versus-l402-versus-pay-per-crawl https://agentutility.ai/updates/x402-versus-l402-versus-pay-per-crawl Wed, 29 Apr 2026 12:00:00 GMT Three protocols want to make HTTP 402 real. Lightning's L402, Coinbase's x402, Cloudflare's pay-per-crawl. Different auth, different rails, different bets. x402 l402 lightning comparison noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/versioning-paid-endpoints https://agentutility.ai/updates/versioning-paid-endpoints Tue, 28 Apr 2026 12:00:00 GMT Agents don't read changelogs. So we don't break endpoints. Here's how we handle schema changes across the agentutility portfolio without burning live callers. versioning api-design compatibility noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/edgefinance-13f-deltas-walkthrough https://agentutility.ai/updates/edgefinance-13f-deltas-walkthrough Mon, 27 Apr 2026 12:00:00 GMT The 13f-deltas endpoint diffs consecutive SEC 13F filings and returns added, exited, and resized positions in JSON, so an agent can screen a hundred funds for a few cents. edge-finance sec filings noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/how-agents-budget-when-prices-vary https://agentutility.ai/updates/how-agents-budget-when-prices-vary Sun, 26 Apr 2026 12:00:00 GMT Endpoint prices on x402 span three orders of magnitude. Here's how to write an agent loop that won't blow its budget on a single image call or starve cheap utility endpoints. agents budget code patterns noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/endpoint-pricing-distribution https://agentutility.ai/updates/endpoint-pricing-distribution Sat, 25 Apr 2026 12:00:00 GMT What 244 x402 endpoint prices look like when you plot them: median $0.015, mode $0.01, a heavy cluster under $0.05, and a stubborn pile at $0.30. pricing data stats noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/schema-org-on-paid-endpoint-pages https://agentutility.ai/updates/schema-org-on-paid-endpoint-pages Fri, 24 Apr 2026 12:00:00 GMT We ship WebAPI + Service + TechArticle + Offer JSON-LD on every endpoint page. It pays off in AI-search citation rates. json-ld schema-org ai-seo structured-data noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/the-rise-of-mcp-discoverable-catalogs https://agentutility.ai/updates/the-rise-of-mcp-discoverable-catalogs Thu, 23 Apr 2026 12:00:00 GMT MCP began as local stdio tools loaded into Claude Desktop. Eighteen months later it's the discovery layer for remote paid APIs, and that changes what shipping an endpoint means. mcp discovery catalogs agent-tooling noreply@agentutility.ai (agentutility) https://agentutility.ai/updates/what-an-agent-callable-api-looks-like https://agentutility.ai/updates/what-an-agent-callable-api-looks-like Wed, 22 Apr 2026 12:00:00 GMT Five concrete tests to decide whether your API is actually reachable by agents, or just claims to be. Curl it cold, validate the schema, check MCP discovery. agent-callable api-design checklist noreply@agentutility.ai (agentutility)