Best offer on record: Vonage "Try it free" developer trial (free credit, no credit card required) — covers SMS, Voice, Verify, Email, Chat/Conversation APIs. 3 verified findings, checked 2026-10-22.
Live check of “Vonage for Startups program — up to $75,000 in Vonage API credits + tailored support”:Confirmed
Vonage for Startups offers accepted early-stage startups up to $75,000 in Vonage API credits plus tailored technical support, custom solutions and co-marketing/brand amplification; per Vonage's March 2026 program post the credits are granted "over two years" and startups are selected in small cohorts each quarter. Eligibility: pre-seed through Series A, founded within the past five years, a company website with associated email addresses, an existing Vonage API account, and not an existing managed Vonage customer; the program is still open to applications ("apply today") as of 2026-10-22.
Vonage "Try it free" developer trial (free credit, no credit card required) — covers SMS, Voice, Verify, Email, Chat/Conversation APIs high confidence
Every Vonage Communications API marketing page (e.g. https://www.vonage.com/communications-apis/pricing/, /communications-apis/email/, /communications-apis/verify/pricing/) carries the CTA: 'Try it free — Start developing now with free credit. No credit card required.' Sign-up goes to https://ui.idp.vonage.com/sign-up/dashboard; developer.vonage.com/en/home says 'Create a free account now!' / 'Sign up for FREE'. This is one shared trial across the API front (Email, SMS, Push/Chat, Voice) — Vonage has no per-product free tier and no metered free plan; usage after/within the trial is pay-per-use. The exact free-credit dollar amount and trial duration are NOT stated on any public page I could read today; the amount is visible only inside the dashboard after signup. No .edu email required; open to anyone who creates a developer account.
Eligibility
Open to anyone worldwide; no student/education requirement, no startup criteria, no credit card required (explicit on-page). Credit card is only needed later to pay for real usage; free test numbers are used to develop without charge.
How to claim
Go to https://www.vonage.com/en-us/pricing/ (redirects content at /communications-apis/pricing/) or any product pricing page, click 'Try it free', create the account at ui.idp.vonage.com/sign-up/dashboard with no credit card; trial credit is applied in the dashboard (amount/duration not published on the web page).
Expiry
No published expiry/renewal date; trial credit amount/duration not published — check dashboard after signup; the offer can change without public notice.
Gotchas
(1) Marketing says 'free credit' but the public pages never state how much or for how long — treat any third-party figure (e.g. legacy $500 Nexmo trial) as unverified. (2) It is a trial, not a free tier: production messages, numbers, and real recipients cost money per unit after the credit runs out; there is no perpetual free tier for the APIs. (3) The www.vonage.com/en-us/pricing/ URL now 403s/404s for most fetchers — the live pricing content lives under /communications-apis/pricing/. (4) WebSearch was unavailable (session budget exhausted), so 2025-2026 change history of the trial credit amount could not be confirmed.
Vonage for Startups program — up to $75,000 in Vonage API credits + tailored support high confidence
Official page https://developer.vonage.com/en/startups: 'Vonage for Startups helps burgeoning brands with tailored support and up to $75,000 Vonage API credits.' Benefits: LEARN (technical workshops, 1:1s with Vonage product managers, custom solutions), RECEIVE TAILORED SUPPORT, BUILD (use credits to build MVP), CONNECT (Vonage startup community). FAQ confirms: 'This includes technical workshops, 1:1s with Vonage product managers, and any other support — such as up to $75,000 in Vonage API credits.'
Eligibility
Technology-agnostic; VC/incubator/accelerator backing NOT required. Hard criteria to be considered: early-stage (Pre-Seed to Series A), founded within the past 5 years, has a company website + associated emails, has a Vonage API account, and is not an existing managed customer. Existing customers may apply unless they already have an assigned Vonage account manager. No .edu email; not limited to any region on the page. Recommended before applying: public LinkedIn company page, public product signal (demo/waitlist/docs/GitHub repo), and a clear GTM plan tied to communications APIs.
How to claim
Click 'Apply Now!' on https://developer.vonage.com/en/startups (form at https://wkf.ms/3YpFywo, MarketWIRED form), submit company details; selection is discretionary — credit amount up to $75,000 is negotiated, not guaranteed to every accepted applicant. No credit card required to apply.
Expiry
No program end date published on the page; cohort-based startup program, so terms/credit amounts may change per cohort.
Gotchas
'Up to $75,000' is a cap, not a promise — actual awards vary; 'up to' wording means no fixed amount. Must hold a Vonage API account first. Managed-account customers are excluded. The credit is for Vonage APIs (communications), not a general cloud spend.
No student/education free offer (education vertical only) high confidence
https://www.vonage.com/solutions/education/ is a market-vertical marketing page ('Education Communication Solutions — helping teachers, students, parents stay connected'); I read it today and it contains no free license, student discount, educational credit, or trial offer — only product marketing and lead-gen forms. No .edu-email program, no campus/academic license, and no education-specific free tier was found anywhere on vonage.com or developer.vonage.com (community pages: https://developer.vonage.com/community, /community/slack).
Eligibility
n/a — no qualifying education offer exists; education verticals qualify only through the general 'Try it free' trial or the Vonage for Startups program (startup criteria apply, not school status).
How to claim
Nothing to claim: do not expect an education license; use the general no-CC trial if the need is a university/edtech project (a startup applying as a company can qualify under Vonage for Startups).
Expiry
n/a
Gotchas
'Free account now' copy on the education page is the generic site CTA, not an education-specific offer.
Nexmo branding is effectively sunset: the developer portal still carries legacy Nexmo tracking strings (e.g. signup link 'icid=tryitfree_api-developer-adp_nexmodashbdfreetrialsignup'), but Nexmo products/pricing no longer exist separately — everything is now 'Vonage Communications APIs' (messages, programmable voice, verify, email, conversations/chat, RCS, WhatsApp). The historical 'Nexmo free trial' (Nexmo dashboard trial without CC) survives only as the current 'Try it free / free credit, no credit card required' CTA; the public credit amount is no longer published (legacy sources cited $500 trial credit — unverified today, confidence low on any specific figure). Caveat on research completeness: the session WebSearch budget was exhausted and help.vonage.com was unreachable, so I could not independently confirm 2025-2026 changes to the trial credit amount/duration; all page-level claims above were read directly from official Vonage pages fetched today.