chem.openverbs.com
Route probed: GET https://chem.openverbs.com/v1/element
Category: make:documents/convert (tags: data-tools) · Status: listing listed, probe active · Listing: 0.004 USD, 3 payers / 16 calls (30d, Bazaar) · Listed in: agentic-market, cdp-bazaar
Last probe: 2026-10-23T14:22:29Z (2 h ago) · Recent valid 402: 2/2 · p50 2281 ms
probe-only: no paid test-buys yet. No index until 3 paid buys on 3 different days.
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Paid test-buys
None yet.
402 challenge checks (since 2026-10-23T14:22:29Z)
1 valid 402s checked: terms consistent 1, Base USDC offered 1, price matches listing 1 (differs 0), payTo changed vs previous probe 0.
Unpaid probes (newest first, up to 200; raw receipts are kept 7 days, then in the archive)
| Receipt | UTC time | Method | Status | Valid 402 | ms | Listed amount (atomic) | Quoted amount (atomic) | Quoted payTo | Header bytes | Response sha256 | Signed | Route | Checks |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| d65a1c5209d221047787 | 2026-10-23T14:22:29Z | GET | 402 | yes | 2281 | 4000 | 4000 | 0xb3f4de10… | 2324 | d52143611ab6ef35 | per-receipt | primary | terms ok · Base USDC |
| 1db40627f92b71cd3679 | 2026-10-23T12:43:18Z | GET | 402 | yes | 155 | 4000 | 4000 | 0xb3f4de10… | 2324 | e09c612bcbb1f6d7 | snapshot | primary |
Other listed routes
https://chem.openverbs.com/v1/elementLook up a periodic-table element by exactly one of `symbol` (e.g. "Fe"), `name` (e.g. "iron") or atomic `number` (1..118). Returns its number, symbol, name, sta (cdp-bazaar)https://chem.openverbs.com/v1/molar-massCompute the molar mass (g/mol) of a chemical formula. Supports nested parentheses and brackets, element multipliers, and hydrate dot notation with coefficients (cdp-bazaar)https://chem.openverbs.com/v1/searchSearch the periodic table by name or symbol substring. Exact matches rank first, then prefix matches, then substring matches. Returns up to `limit` elements (de (cdp-bazaar)
Seller? Reply or dispute. Amounts are in the asset's atomic units (USDC: 6 decimals).